Mineral Specimens - page 1
USA

TAR6AO0: Epidote crystals, some of them doubly terminated, with well defined faces and edges, translucent, with good luster and a very deep green color. On matrix, with water-clear Quartz crystals.
We will ship the specimen, from one of the great classic localities for the species, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.

Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA

Specimen size: 2.9 × 2.5 × 1.7 cm = 1.14” × 0.98” × 0.67”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

EC67AL5: Fan-like aggregates, one of them clearly dominant and very aerial, with very elongated Epidote crystals with very well defined faces and edges, bright, translucent, with a very deep pistachio-green color and on a group of Quartz crystals.
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA (2003-2005)

Specimen size: 6.2 × 3.7 × 2 cm = 2.44” × 1.46” × 0.79”

Main crystal size: 3 × 1.8 cm = 1.18” × 0.71”

TBR27AO7: Parallel growths of elongated Epidote crystals, some of them doubly terminated, with sharp crystal forms and excellent terminations. Translucent, shiny, colored deep green, and with small Quartz crystals. An American classic.
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA

Specimen size: 7.3 × 3.2 × 1.6 cm = 2.87” × 1.26” × 0.63”

MT97AL5: Group of highly profiled laminar and tabular crystals of Clintonite, with a very well defined hexagonal outline, translucent, very deep green, on matrix. High quality for the locality
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA

Specimen size: 7.4 × 4.7 × 2.3 cm = 2.91” × 1.85” × 0.91”

Main crystal size: 1 × 0.6 cm = 0.39” × 0.24”

XM160GF: Very sharp individual crystal of Ilvaite, with very well defined crystal forms and perfect terminations. The specimen is of great quality and size for this classic American locality. It comes from the Pedro Goy collection, whose label we will send to the buyer.
Bay State Group Mine, South Mountain Mining District, Owyhee County, Alabama  USA

Specimen size: 2.6 × 2.5 × 2.4 cm = 1.02” × 0.98” × 0.94”

XM80TQ: Radial aggregates of acicular Linarite crystals, translucent, with great luster and a very vivid color, on a Quartz-coated matrix. The specimen is from the Lee Hogg collection.
Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa District, Graham County, Arizona  USA

Specimen size: 3.1 × 2.9 × 1.3 cm = 1.22” × 1.14” × 0.51”

MB13AM7: Floater group with rosette growths of lamellar Hematite crystals, extraordinarily sharp and lustrous.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label, which indicates that it was in the Sullivan collection.
Big Bertha Mine (Veta Grande Mine), Middle Camp-Oro Fino District, Dome Rock Mountains, La Paz County, Arizona  USA

Specimen size: 1.4 × 1.4 × 0.5 cm = 0.55” × 0.55” × 0.20”

TRH37AN3: Groups of Fluorite crystals with an octahedral habit with very marked polycrystalline growths and with the vertices truncated by cube faces. They are translucent, shiny, and very deep green. The specimen comes from a little-known US locality.
Heson Mine (Hesson Mine), Buckskin Mountains, Santa Maria District (Planet District), La Paz County, Arizona  USA

Specimen size: 6.8 × 5.6 × 2.7 cm = 2.68” × 2.20” × 1.06”

Main crystal size: 2.6 × 2.5 cm = 1.02” × 0.98”

TC66AN2: Parallel growth on a tiny bit of matrix of two Wulfenite crystals with pyramidal faces, well developed, with bright luster and a very vivid and uniform red color.
We will ship the specimen, from one of the great classic American localities, in its original Perky box from the Robert J. Noble collection, which also contains the label.
Red Cloud Mine, Trigo Mountains, Silver District, La Paz County, Arizona  USA

Specimen size: 1.7 × 1.4 × 0.2 cm = 0.67” × 0.55” × 0.08”

MX470AL4: Wulfenite crystals very rich in crystalline forms, well individualized, with a very intense and uniform color and good luster, on matrix and with small rhombohedral Calcite crystals. Excellent example of a classic American locality, from an old collection whose label we will send to the buyer.
Red Cloud Mine, Trigo Mountains, Silver District, La Paz County, Arizona  USA

Specimen size: 8.6 × 6.1 × 2.7 cm = 3.39” × 2.40” × 1.06”

Main crystal size: 1.3 × 1 cm = 0.51” × 0.39”

TRA62AN4: Very aerial group of lamellar Wulfenite crystals that are transparent, with the bright luster and a very vivid orange color which have made the specimens from this deposit famous. This Wulfenite appears on a matrix partially covered by small yellow Vanadinite crystals with a short prismatic habit.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Rowley Mine, Theba, Painted Rock District, Painted Rock Mountains, Maricopa County, Arizona  USA

Specimen size: 2.8 × 1.9 × 1.2 cm = 1.10” × 0.75” × 0.47”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”

TB14AN2: Nodular growths of Minium, a rare species in mineral collections, uniform bright red in color, on matrix, with Quartz and Galena in cavernous and grainy aggregates.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Tonopah-Belmont Mine, Belmont Mountain, Tonopah, Osborn District, Bighorn Mountains, Maricopa County, Arizona  USA

Specimen size: 2.6 × 2.3 × 1.4 cm = 1.02” × 0.91” × 0.55”

MA6AM7: A floater crystal of Pyrite dominated by pyritohedron forms in distinct parallel growths, with a hopper on one of the faces. This specimen, from a little-known American locality, will be shipped in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label, indicating that it was in the Melanson collection.
Magma Mine, Superior, Pioneer District, Pinal Mountains, Pinal County, Arizona  USA

Specimen size: 2.4 × 1.5 × 1 cm = 0.94” × 0.59” × 0.39”

EM96AA5: Very aerial dendritic growth of elongated and flattened Copper crystals showing very well defined Spinel-law twins and partially coated by cubo-octahedral Cuprite crystals. An excellent American classic.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA

Specimen size: 3.8 × 3.1 × 0.8 cm = 1.50” × 1.22” × 0.31”

Main crystal size: 1.4 × 0.3 cm = 0.55” × 0.12”

TT73AF0: Dendritic Copper crystals that are very elongated and bright with well-defined faces and edges with very visible spinel law twinning. They are partially coated by reddish Cuprite.
The sample is with an old Copper City Rock Shop label that we’ll send to the buyer.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA

Specimen size: 9 × 5.2 × 4.3 cm = 3.54” × 2.05” × 1.69”

Main crystal size: 2 × 0.2 cm = 0.79” × 0.08”

NL97AM5: Very aerial dendritic growth of elongated Copper crystals, with the dominant forms of the dodecahedron. From one of the most classic American copper mines. The specimen is from the Pedro Hernández collection.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA

Specimen size: 14.3 × 7.5 × 4.2 cm = 5.63” × 2.95” × 1.65”

Main crystal size: 1.6 × 0.3 cm = 0.63” × 0.12”

TM67X2: Elongated spheroidal growths, on matrix, of small dipyramidal crystals. They are very bright and have a color between dark brown and reddish brown.
The sample, very significant and of excellent quality for the mine, is with a Schortmann’s Minerals label that we'll send to the buyer.
Mammoth-St. Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona  USA

Specimen size: 4.4 × 4.2 × 2.7 cm = 1.73” × 1.65” × 1.06”

NE98AM5: Polycrystalline growth of very sharp Wulfenite crystals, translucent, with great luster and a deep and uniform orange color. A classic USA piece that comes from the Ignacio Gaspar collection, whose collection card we will send to the buyer.
Old Yuma Mine, Saguaro National Monument, Amole District, Tucson Mountains, Pima County, Arizona  USA

Specimen size: 3.5 × 2.7 × 1.3 cm = 1.38” × 1.06” × 0.51”

MA46AN0: Aerial group of Copper crystals dominated by octahedral and dodecahedral forms, lustrous, with curvatures and polycrystalline growths.
We will ship the specimen, which comes from a classic American locality for the species, in its original Perky box from the Robert J. Noble collection, which also contains the label, stating that it was previously in the Sullivan collection.
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA

Specimen size: 3.3 × 2.6 × 1.4 cm = 1.30” × 1.02” × 0.55”

Main crystal size: 2.4 × 1.6 cm = 0.94” × 0.63”

EY48AK8: Malachite pseudomorphic after Azurite crystals, very sharp and aerial, with simple crystal forms with fibrous surfaces and satin sheen. Highlighted by small Copper crystals that accompany the Malachite - a rare association. An excellent American classic.
This specimen, from Doug Toland's collection, is accompanied by an old Roberts Minerals label that we will send to the buyer.


New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA

Specimen size: 4.4 × 2.1 × 2.5 cm = 1.73” × 0.83” × 0.98”

Main crystal size: 2.5 × 1.8 cm = 0.98” × 0.71”

MH46AM6: Hemimorphite druse, on a limonite matrix, which forms botryoidal growths of a uniform sky blue color. From a classic US locality. We will send the buyer the specimen in its original perky box from the Robert J. Noble collection, which also contains the label, which shows that the specimen was previously in the Sullivan collection.
79 Mine, Chilito, Hayden area, Banner District, Dripping Spring Mountains, Gila County, Arizona  USA

Specimen size: 2.4 × 1.6 × 1.6 cm = 0.94” × 0.63” × 0.63”

TA37AN1: Groups of acicular crystals of Aurichalcite with bright luster and an intense green color, implanted on a botryoidal surface of bluish green Smithsonite that partially covers the rock matrix. An American classic different from others as the Aurichalcite is located on the Smithsonite.
79 Mine, Chilito, Hayden area, Banner District, Dripping Spring Mountains, Gila County, Arizona  USA

Specimen size: 7 × 5 × 4.7 cm = 2.76” × 1.97” × 1.85”

TR69AL7: Group of flattened Azurite crystals, sharp, translucent, lustrous and with a very vivid color. The best quality for what is known from here, a mine where quality specimens are not so common.
Bluebird Mine, Miami, Miami-Inspiration District (Globe-Miami District), Gila County, Arizona  USA

Specimen size: 3.4 × 2.6 × 2.6 cm = 1.34” × 1.02” × 1.02”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

TXL89AP3: Microbotryoidal growths of Mottramite with a grey-green color that partially cover tabular Wulfenite crystals that have good luster and an orange color. An excellent American classic from a classic locality.
Glove Mine, Glove Mine group, Devil's Cash Box Ridge, Cottonwood Canyon, Amado, Tyndall District, Santa Cruz County, Arizona  USA

Specimen size: 11.1 × 6.1 × 4.1 cm = 4.37” × 2.40” × 1.61”

Main crystal size: 2 × 1.9 cm = 0.79” × 0.75”

TCM16AN4: Druse of Vanadinite crystals with dipyramidal habit, lustrous, and red with orange tones.
We will send this specimen, from a known but little published locality for mineral collecting, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label stating that it was previously in the Sullivan collection.
J.C. Holmes Mine, Temporal Gulch area, Patagonia, Wrightson District, Santa Rita Mountains, Santa Cruz County, Arizona  USA

Specimen size: 2.8 × 2.2 × 2 cm = 1.10” × 0.87” × 0.79”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

SV160EBR: Group of Cerussite crystals on a ferruginous rock matrix with marked complete multiple twins and with a morphology reminiscent of snowflakes, but with scattered crystals and some stacking, which makes this type of Cerussite popularly known as 'jackstraw'.
The specimen is a classic for this American Mine in Arizona, although in this case the crystals are more transparent than is usual in this locality.
Flux Mine, Flux Gulch, Alum Gulch, Patagonia Mountains, Harshaw District, Santa Cruz County, Arizona  USA

Specimen size: 4.4 × 4 × 1.3 cm = 1.73” × 1.57” × 0.51”

Main crystal size: 0.4 × 0.1 cm = 0.16” × 0.04”

TH92AM5: Group of flattened Quartz crystals with a distinct Japan-law twin. The crystals are transparent and lustrous and of a size and transparency greater than usual in specimens from this mine.
Washington Camp-Duquesne Mines, Patagonia Mountains, Washington Camp-Duquesne District, Santa Cruz County, Arizona  USA

Specimen size: 6.6 × 5.3 × 4.8 cm = 2.60” × 2.09” × 1.89”

Main crystal size: 4.5 × 3.3 cm = 1.77” × 1.30”

TR89AM5: Group of translucent octahedral crystals with a pale green color with polycrystalline surfaces and partially covered by small groups of white Quartz crystals. Among the best possible quality for what is known from this mine.
Homestake-Jack Pot Mine, Black Mountains, Oatman District-San Francisco District, Mohave County, Arizona  USA

Specimen size: 7.3 × 5.7 × 4.9 cm = 2.87” × 2.24” × 1.93”

Main crystal size: 3.4 × 2.7 cm = 1.34” × 1.06”

TB6AK3: Group of very sharp Calcite crystals on matrix, with prismatic habit and good rhombohedral terminations, transparent, colorless, and very lustrous. The specimen is from a very rare locality and comes from the Lee Hogg collection, whose label we will send to the buyer.
Portland Mine, Lost Cabin Wash, Black Mountains, Mining District Pilgrim, Mohave County, Arizona  USA

Specimen size: 6 × 4 × 2.4 cm = 2.36” × 1.57” × 0.94”

Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”

TD51AM5: Vug with botryoidal growths of acicular Malachite crystals with an intense silky luster and a very deep color. The specimen is from the Mark Mauthner collection (number 4579), whose label we will send to the buyer.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 7.6 × 4.6 × 2.7 cm = 2.99” × 1.81” × 1.06”

MZ69AM3: Parallel growths of Azurite crystals with very sharp crystal forms, good luster and a very vivid color. On matrix, with small acicular Malachite crystals.
The specimen, from one of the great classic American localities, comes from the Ignacio Gaspar collection (number AZU-12), whose label we will send to the buyer.
Copper Queen Mine, Queen Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 4 × 3 × 3 cm = 1.57” × 1.18” × 1.18”

TD56AJ2: Very aerial parallel growth on matrix of Malachite after Azurite crystals that are flattened and very sharp with very well defined faces and edges.
An excellent Bisbee classic that is very well documented by labels of the Richard Graeme and the Lee Hogg collections, labels that we will send to the buyer.
Sacramento Pit, Sacramento Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 4.8 × 4.3 × 2.5 cm = 1.89” × 1.69” × 0.98”

Main crystal size: 3 × 3 cm = 1.18” × 1.18”

TJ6AJ8: Very aerial growth, on matrix, of very sharp octahedral Cuprite crystals that are beveled by the dodecahedron. They are translucent, bright and have a very deep red color. A classic from Bisbee of great quality.
From the Thomas P. Moore collection whose label we will send to the buyer.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 3 × 2 × 1.4 cm = 1.18” × 0.79” × 0.55”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

TQ69AM9: Druse of lenticular Azurite crystals, with bright luster and a vivid and uniform color, partially covered by acicular Malachite crystals. This very characteristic specimen comes from one of the great classic American localities for the species.
Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA

Specimen size: 5.2 × 4.3 × 2.8 cm = 2.05” × 1.69” × 1.10”

Main crystal size: 1.7 × 0.7 cm = 0.67” × 0.28”

MN91AL3: Group of slightly flattened Azurite crystals, with the dominant forms of the rhombohedron and polycrystalline growths on the faces, of a very vivid blue color, on matrix and partially covered with Malachite. From one of the great classic localities in Arizona, and with more color and better luster than usually found there.
Morenci Mine, Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA (±1995)

Specimen size: 5.5 × 4.4 × 2.9 cm = 2.17” × 1.73” × 1.14”

Main crystal size: 2 × 1.4 cm = 0.79” × 0.55”

MFB36AP5: Very elongated spheroidal and stalactitic microcrystalline growths of Azurite with deep, vivid and uniform color, in a limonite matrix with botryoidal coatings of Malachite. A U.S. classic, with rare unusual characteristics for specimens from this locality.
Morenci Mine, Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA

Specimen size: 6 × 4.4 × 3.2 cm = 2.36” × 1.73” × 1.26”

EM67AE8: Rosettes, on a rocky matrix, of tabular crystals with a very vivid blue color. An American classic.
Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA

Specimen size: 10 × 9.5 × 6.5 cm = 3.94” × 3.74” × 2.56”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”

TP16AD3: Rosette aggregates of flattened lenticular crystals with very well defined crystalline forms and an intense color. They are on matrix, with limonite and with Malachite coatings. An American classic, with the added interest of the very specific locality details, noting the precise mine and the exact area where the sample was found.
Morenci Mine, Northwest Extension, Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA

Specimen size: 13.5 × 7.8 × 5.2 cm = 5.31” × 3.07” × 2.05”

Main crystal size: 0.7 × 0.3 cm = 0.28” × 0.12”

TP6AL4: Spheroidal aggregates of Rosasite, one of them clearly dominant, very deep and uniform in color, on matrix and with botryoidal Goethite.
We will deliver the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Silver Bill Mine, Costello Mine group, Gleeson, Turquoise District, Dragoon Mountains, Cochise County, Arizona  USA

Specimen size: 3.4 × 2.4 × 0.8 cm = 1.34” × 0.94” × 0.31”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”

MFB87AP6: Group of twinned (sixlings) crystals of Cerussite, translucent, with very good luster and snow-white color. On matrix, with deformed cubic Fluorite crystals, one of them clearly dominant, translucent and pale green.
Of the best quality known for the locality.
Hull Mine, Hull Mine group, Buckeye vein group, Castle Dome Mine group, Castle Dome District, Castle Dome Mountains, Yuma County, Arizona  USA

Specimen size: 4.1 × 2 × 1.5 cm = 1.61” × 0.79” × 0.59”

Main crystal size: 1.4 × 1.1 cm = 0.55” × 0.43”

TA16AN2: Crust, on matrix, of Vanadinite crystals with a prismatic habit, many of them doubly terminated, with bright luster and an intense and uniform color between red and orange.
We will ship the specimen, from a classic American locality, in its original Perky box from the Robert J. Noble collection, which also contains the label.
Puzzler Mine, Adams Mine group, Kofa Game Range, Castle Dome District, Castle Dome Mountains, Yuma County, Arizona  USA

Specimen size: 3.1 × 1.7 × 1.8 cm = 1.22” × 0.67” × 0.71”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

NRV16AN9: Spheroidal growths, on matrix, of translucent Wavellite crystals with good luster and an intense green color. A classic of U.S. mineralogy.
De Linde Pit, Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 8.4 × 4.8 × 2.2 cm = 3.31” × 1.89” × 0.87”

Main crystal size: 1 × 0.8 cm = 0.39” × 0.31”

TG47AN2: Spheroidal growths, on matrix, of lustrous, translucent, Wavellite crystals with an intense green color. A classic of USA mineralogy.
Avant, Garland County, Arkansas  USA

Specimen size: 8.5 × 3.5 × 3.8 cm = 3.35” × 1.38” × 1.50”

Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”

TCB26AP7: Fine lamellar growths and rounded and poorly defined crystal forms of Antimony, very lustrous, on matrix.
From a well known Californian zone but one that is little represented in collections, this specimen comes from the old collection of Robert-Auguste Touchon.
Kern County, California  USA

Specimen size: 3.5 × 2.1 × 2.1 cm = 1.38” × 0.83” × 0.83”

TF16AN2: Very sharp floater Rutile crystal with another smaller crystal in parallel growth. The specimen is translucent, with great luster and vivid red reflections.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Melanson collection.
Champion Mine, White Mountain Peak, White Mountains, Mono County, California  USA

Specimen size: 1.8 × 1.4 × 1.1 cm = 0.71” × 0.55” × 0.43”

TM47AL4: Neptunite crystals with sharp terminations and on a rock matrix covered by white Natrolite. Prismatic crystals, shiny and free of damage, stand out for their aerial position on the matrix. A classic.
We will deliver the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 3 × 2.8 × 1.6 cm = 1.18” × 1.10” × 0.63”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”

TMA96AO5: Benitoite crystals, one of them clearly dominant and of very large size for the species, with sharp crystal forms, translucent, with good luster and an intense blue color, with some paler areas. On matrix, with white Natrolite and lustrous Neptunite crystals with good terminations. A piece of high quality due to the size of the Benitoite crystal, and from the type locality for the species.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 5.2 × 5 × 3.8 cm = 2.05” × 1.97” × 1.50”

Main crystal size: 3.7 × 3 cm = 1.46” × 1.18”

TC85TV: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 3.7 × 3.1 × 1.4 cm = 1.46” × 1.22” × 0.55”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

TC85TE: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 4.6 × 3.2 × 2.2 cm = 1.81” × 1.26” × 0.87”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

TC80TL: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 4.6 × 3.8 × 2.3 cm = 1.81” × 1.50” × 0.91”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

T89GH5: This variety of Andradite is from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. It has a surface rich with dodecahedra with very well-defined faces and edges, bright and having an excellent color.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 6.5 × 4.2 × 3.2 cm = 2.56” × 1.65” × 1.26”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”

T98HAK3: Groups of very sharp rhombohedral crystals of Andradite (variety topazolite), very transparent and brilliant and of a very uniform honey-yellow color. On a rock matrix, with abundant spheroidal aggregates of Clinochlore, very deep green, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 6.8 × 4.7 × 2 cm = 2.68” × 1.85” × 0.79”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”

T29NAK3: Andradite crystals (topazolite variety) with the dominant crystal forms of the rhombohedron, combined with cube and trapezohedron faces, transparent, very bright and uniform honey-yellow. On a rock matrix, with abundant spheroidal aggregates of very deep green, almost black, Clinochlore. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 9.2 × 7.2 × 2.9 cm = 3.62” × 2.83” × 1.14”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

SV2460TBG: Triad of Elbaite crystals, doubly terminated, with a gradation of pink tones, turning into a greenish “green-cap” towards the end, covered and partially cemented by a feldspar and with leafy snow-white Albite crystals (variety cleavelandite) at one end. From a mining district renowned for its gems and lithium minerals.
The specimen comes from the Moutet collection, in Marseille, and is accompanied by an old Deyrolle label, which we will send to the buyer of the piece.
Pala, Pala District, San Diego County, California  USA

Specimen size: 6.4 × 5.5 × 4.4 cm = 2.52” × 2.17” × 1.73”

Main crystal size: 5 × 1.9 cm = 1.97” × 0.75”

TFX47AP9: Elbaite crystal, between transparent and translucent, with a clearly dominant pink-red color in the prism (rubellite variety) and smooth and shiny pinacoidal termination with a blue growth zone known as "blue cap".
Pala District, San Diego County, California  USA

Specimen size: 1.8 × 1.3 × 1 cm = 0.71” × 0.51” × 0.39”

MXF27AP6: Very aerial group of 'lepidolite' crystals (probably, due to the locality, the Polylithionite species), translucent, with a very intense lilac color. On a matrix of Quartz crystals (smoky variety), with white phantom growths on the terminations.
Very original and aesthetic.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 3.7 × 3.5 × 3.1 cm = 1.46” × 1.38” × 1.22”

TB58T1: Group of three doubly terminated crystals, with a good definition of terminal faces and growths of a fibrous aspect on the prism. The prisms have a very good geometrical color zoning, which is perpendicular to the main orientation of the crystal.
The sample is from the John H. Marshall collection, as the catalog number of register on the piece shows, though we don’t have the original label from John.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 61
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 4.7 × 2.2 × 2.3 cm = 1.85” × 0.87” × 0.91”

EZ48AK5: Groups of translucent, very lustrous, outstanding axinite-(Fe) crystals of intense brown color with mauve tones, on a matrix with colorless, transparent and very lustrous twinned Albite crystals. Associated with fibrous aggregates of slightly greenish Actinolite (byssolite variety). A fine specimen from a classic American locality for Axinite-(Fe)
New Melones Dam, Jamestown, Calaveras County, California  USA

Specimen size: 7.8 × 4.8 × 4 cm = 3.07” × 1.89” × 1.57”

Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”

TR46AH4: Irregular aggregates of fine acicular Stibnite crystals, a lot of them doubly terminated. They are very bright, on a rock matrix coated by Quartz microcrystals. The sample is from a very poorly known locality.
McLaughlin Mine, Knoxville, Knoxville District, Napa County, California  USA

Specimen size: 3 × 2.8 × 3.3 cm = 1.18” × 1.10” × 1.30”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”

TTX17AO2: Centered groups of very lustrous acicular Stibnite crystals on matrix. We note that specimens from this locality on matrix are not very common.
McLaughlin Mine, Knoxville, Knoxville District, Napa County, California  USA

Specimen size: 6.6 × 4.9 × 2.1 cm = 2.60” × 1.93” × 0.83”

Main crystal size: 2.4 × 0.2 cm = 0.94” × 0.08”

TQ29AH6: Very aerial growth of very sharp octahedral crystals with deep hollows on octahedron faces and extraordinarily bright.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
De Maria Mine, Sage Hill, Michigan Bluff District, Placer County, California  USA

Specimen size: 1.4 × 0.8 × 0.7 cm = 0.55” × 0.31” × 0.28”

Main crystal size: 1 × 0.6 cm = 0.39” × 0.24”

NFR86AO3: Very stylized parallel growth of hoppered octahedral Gold crystals, with a very deep spinel-law twin. On matrix, with small lustrous water-clear Quartz crystals.
As a curiosity, it is worth noting the great similarity of this classic specimen with the recent Moroccan golds of Aouint Ighoman.
This specimen comes from the collection of Ignacio Gaspar Sintes (number ORO-52), whose label we will send to the buyer.
Mariposa County, California  USA

Specimen size: 8.5 × 5.3 × 4.3 cm = 3.35” × 2.09” × 1.69”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”

MC12AM8: Centered aggregates of flattened Goethite crystals, with a botryoidal growth at the back, lustrous and with color tones ranging from black to bronze reflections. An American classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Crystal Creek, Crystal Peak area, Teller County, Colorado  USA

Specimen size: 2.9 × 2.7 × 2.4 cm = 1.14” × 1.06” × 0.94”

EM27AM2: Parallel growth of two Microcline crystals (amazonite variety) with very well defined faces and edges and selective green and white coloration, known to mineral collectors as “white cap” microcline. From the most classic locality for amazonite.
The specimen is from the Moutet collection in Marseille. We will send the buyer, together with the specimen, a label from the prestigious Deyrolle house in Paris where Moutet bought the specimen many years ago.
Crystal Peak area, Teller County, Colorado  USA

Specimen size: 6.2 × 5.2 × 5.4 cm = 2.44” × 2.05” × 2.13”

Main crystal size: 5 × 4 cm = 1.97” × 1.57”

TD27AL8: Parallel aggregates of skeletal Sylvanite crystals, very brilliant and on a Quartz matrix. From a classic North American locality.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller County, Colorado  USA

Specimen size: 3 × 2.8 × 2.4 cm = 1.18” × 1.10” × 0.94”

Main crystal size: 0.6 × 0.15 cm = 0.24” × 0.06”

TV96AL7: Group of crystals, one of them clearly dominant, very rich in faces and perfect sharp terminations. Shiny and extremely transparent. We will send the specimen, from a classic American locality for the species, in its original Perky box from the Robert J. Noble collection, which also contains the label, where it is stated that it had previously been in the Frank Melanson collection.
Book Cliffs area, Grand Junction, Mesa County, Colorado  USA

Specimen size: 2.6 × 2.5 × 1.4 cm = 1.02” × 0.98” × 0.55”

Main crystal size: 2.1 × 1.8 cm = 0.83” × 0.71”

TTM26AO0: Complete floater crystal of Pyrite. Very shiny, elongated and with the dominant forms of the pyritohedron but rich in unusual faces.
We will ship the specimen, from a little-known American locality, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Black Cloud Mine, Iowa Gulch, Leadville District, Lake County, Colorado  USA

Specimen size: 2.1 × 1.4 × 1.2 cm = 0.83” × 0.55” × 0.47”

TF88AJ8: Botryoidal Smithsonite growths on matrix and very rich with dark inclusions. A rarity of US mineralogy that is guaranteed by three labels, not one of which gives the name of the collector. We will send the three labels to the buyer.
Leadville, Leadville District, Lake County, Colorado  USA

Specimen size: 5.8 × 5.4 × 3.2 cm = 2.28” × 2.13” × 1.26”

Main crystal size: 2 × 0.5 cm = 0.79” × 0.20”

TBB64AN3: Rhombohedral Rhodochrosite crystals, very sharp, with bright luster and an intense color. On matrix, with small white Quartz crystals.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA

Specimen size: 2.6 × 2 × 1.9 cm = 1.02” × 0.79” × 0.75”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

EPQ46AO0: Groups of profiled rhombohedral Rhodochrosite crystals, with an intense color, on matrix. Associated with small Quartz crystals and Chalcopyrite and Pyrite coatings. The specimen, an old American classic, comes from the Bob and Jeanette Barnes collection.
Champion Mine, Cinnamon Pass, Lake City, Hinsdale County, Colorado  USA

Specimen size: 6.6 × 4.4 × 3.5 cm = 2.60” × 1.73” × 1.38”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

TX98AN2: Rosette growths of lamellar Rhodochrosite crystals, with good luster and an intense pink color, on matrix with Sphalerite crystals and small Pyrite crystals.
Eagle Mine, Gilman, Gilman District, Eagle County, Colorado  USA

Specimen size: 6.3 × 4.2 × 2.3 cm = 2.48” × 1.65” × 0.91”

Main crystal size: 0.8 × 0.5 cm = 0.31” × 0.20”

ER70AL2: Rosette growths of outstanding lenticular crystals, deep pink in color. On Sphalerite matrix, with cubic Pyrite crystals. A classic of American mineralogy.
Eagle Mine, Gilman, Gilman District, Eagle County, Colorado  USA

Specimen size: 7.1 × 4.2 × 3.4 cm = 2.80” × 1.65” × 1.34”

Main crystal size: 1.3 × 0.9 cm = 0.51” × 0.35”

EDX48AO0: Spheroidal nodules of Pyrite crystals with the dominant faces of the octahedron, very shiny, included in a carbonaceous matrix.
State Bridge area, Rocky Mountain, Eagle County, Colorado  USA

Specimen size: 7.6 × 6.3 × 4.4 cm = 2.99” × 2.48” × 1.73”

Main crystal size: 2.9 × 2.3 cm = 1.14” × 0.91”

MTL89AO0: Druse of twinned Sphalerite crystals with very well defined faces and edges, translucent, very bright and with dominant orange tones, with yellow reflections. On matrix, with small Galena crystals and twinned Chalcopyrite crystals. An American classic from a locality from which it is currently very difficult to obtain good specimens.
Commodore Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 8.4 × 6.4 × 2.8 cm = 3.31” × 2.52” × 1.10”

Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”

TDD63AN3: Vug of Goethite crystals, many doubly terminated, with polycrystalline terminations with a fibrous appearance, lustrous, on matrix.
We will ship the piece in its original Perky box from the Robert J. Noble collection, which also contains the label.
Lake George, Park County, Colorado  USA

Specimen size: 2.8 × 2.6 × 2.6 cm = 1.10” × 1.02” × 1.02”

Main crystal size: 1.1 × 0.2 cm = 0.43” × 0.08”

NA92AI3: Very sharp rhombohedral Rhodochrosite crystals that are translucent, bright, very aerial and have an intense color. They are implanted on a group of Quartz crystals on matrix, with small Tetrahedrite and Pyrite crystals.
The sample is from the Ignacio Hernández collection (num. 99) whose original label we’ll send to the buyer.
Sweet Home Mine, Hedgehog pocket, Main Stope drift, Mount Bross, Alma District, Park County, Colorado  USA

Specimen size: 5.4 × 3.2 × 2.5 cm = 2.13” × 1.26” × 0.98”

Main crystal size: 1.2 × 0.7 cm = 0.47” × 0.28”

MC51AM3: Aggregates of sharp lamellar Covellite crystals, with edges in an excellent state of preservation, with an intense and vivid metallic blue color, on matrix and with Quartz. High quality for the locality.
The specimen comes from the Ignacio Gaspar collection (number COV-2), whose label we will send to the buyer.
Summitville Mine, Summitville District, Rio Grande County, Colorado  USA

Specimen size: 5.2 × 4 × 3.5 cm = 2.05” × 1.57” × 1.38”

ER97AK4: Arborescent aggregate of Gold crystals, some of them leafy, others hooked and some with defined crystalline forms. The specimen comes from a mine from which one rarely sees any specimens.
Dixie Mine, Idaho Springs, Ute Creek Mining District, Clear Creek County, Colorado  USA

Specimen size: 3.1 × 2.9 × 2 cm = 1.22” × 1.14” × 0.79”

TFA86AN7: Two doubly terminated Dravite crystals, one of them clearly dominant, with very sharp crystal forms and excellent terminations, a bright black color and on matrix. With Biotite and small Albite crystals.
The specimen, from a classic American locality for the species, comes from the Bob and Pam Steward collection (number 199), whose label we will send to the buyer.
Biermann Quarries (Bethel Quarries), Bethel, Fairfield County, Connecticut  USA (±1968)

Specimen size: 7.2 × 6.4 × 4.8 cm = 2.83” × 2.52” × 1.89”

Main crystal size: 5.2 × 3.2 cm = 2.05” × 1.26”

EM49W7: Very well defined and flattened crystals, many of them doubly terminated, bright and on matrix, with small Calcite crystals.
An American classic from the William Pinch collection, with a wide pedigree as two more labels testify. We will send all three labels to the buyer.
Bristol Copper Mine, Bristol, Hartford County, Connecticut  USA

Specimen size: 5.2 × 3.9 × 2.4 cm = 2.05” × 1.54” × 0.94”

Main crystal size: 0.9 × 0.4 cm = 0.35” × 0.16”

TA68AI8: Twinned Rutile crystal with very well defined faces and edges. The surface of the faces is very bright with intense red reflections. On the base and partially on the back and the top there is a small matrix of Pyrophyllite.
We will send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
Graves Mountain, Lincoln County, Georgia  USA

Specimen size: 2.6 × 2.3 × 2.1 cm = 1.02” × 0.91” × 0.83”

Main crystal size: 2.4 × 2.2 cm = 0.94” × 0.87”

TE13AN2: Pyromorphite crystals with a rounded habit due to the curved faces and edges, with bright luster and a yellowish green color.
We will ship the specimen, from one of the great classic American localities, in its original Perky box from the Robert J. Noble collection, which also contains the label.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 2.6 × 2.2 × 2 cm = 1.02” × 0.87” × 0.79”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

EJ17AM1: Druse on matrix with two generations of Pyromorphite with different characteristics, an earlier one with spheroidal growths of small crystals, with good luster and orange color, and the second with larger crystals of pyramidal habit and with geometric growths around the terminations, lustrous and greenish-yellow. A high-quality American classic.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 13.3 × 8.6 × 5.4 cm = 5.24” × 3.39” × 2.13”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”

MBA56AP2: Multiple twin of sharp shiny Cerussite crystals, flattened, between transparent and translucent. The specimen, from a mine well known for its pyromorphites but in which quality cerussites are rare, comes from the collection of Thomas P. Moore and we will send it to the buyer with its original Perky box.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 3.4 × 2.3 × 1.8 cm = 1.34” × 0.91” × 0.71”

Main crystal size: 3.2 × 1.5 cm = 1.26” × 0.59”

TR27AL3: Long, tapered Pyromorphite crystals, many of them doubly terminated, grass green with yellow tones, on a Quartz matrix. The specimen has quite different characteristics from those of the nearby and better known Bunker Hill Mine.
Sherman Mine, Burke, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 5 × 4.9 × 3.6 cm = 1.97” × 1.93” × 1.42”

Main crystal size: 0.8 × 0.2 cm = 0.31” × 0.08”

TB90AF2: Druse of elongated crystals with very well defined hoppered terminations. They are bright, have an olive-green color and are on matrix. They are from a mine near Bunker Hill, not so well known, that produced rare samples with such high quality.
The sample is with a label of The Crystal Mine, from Reno, Nevada, that we’ll send to the buyer.
Sherman Mine, Burke, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 8.5 × 5.5 × 4.4 cm = 3.35” × 2.17” × 1.73”

Main crystal size: 0.8 × 0.3 cm = 0.31” × 0.12”

TE17V2: Arborescent growths of Gold with idiomorphic crystals with very well defined faces and edges, on Quartz matrix with an unidentified metallic mineral. The sample is from a locality that is practically unknown by the mineralogical community.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2017, page 75
Belshazzar Mine, Quartzburg District, Boise County, Idaho  USA (2009)

Specimen size: 4 × 3 × 2 cm = 1.57” × 1.18” × 0.79”

Main crystal size: 2.2 × 0.2 cm = 0.87” × 0.08”

TRB96AP9: Elongated cubic Fluorite crystal, transparent, with good luster and a dominant yellow color with blue geometric growths on the edges. On a matrix of Sphalerite crystals with fine Quartz crystals.
An American classic.
Annabel Lee Mine, Harris Creek Sub-District, Hardin County, Illinois  USA

Specimen size: 7.3 × 5.7 × 2.2 cm = 2.87” × 2.24” × 0.87”

Main crystal size: 2.5 × 1.3 cm = 0.98” × 0.51”

BRB37AO8: Group of sharp Fluorite crystals, between transparent and translucent, with good luster and a geometric color zoning marked by the good contrast between the yellow color in most of the crystal and the deep violet on the edges. With Quartz at the base and inclusions of small Chalcopyrite crystals.
A classic from the USA that comes from an important European collection.
Annabel Lee Mine, Harris Creek Sub-District, Hardin County, Illinois  USA

Specimen size: 10.1 × 7.8 × 3.4 cm = 3.98” × 3.07” × 1.34”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

JM69X0: Group of cubic crystals with polycrystalline growths on the cube faces. The crystals are translucent, with a clear violet color with a deeper color zoning on the edges. On the back there is a small matrix of Sphalerite.
Previously in the Tom Wiesner collection (num. 2343284), whose label we'll send to the buyer.
Denton Mine, Goose Creek Mine group, Harris Creek Sub-District, Hardin County, Illinois  USA (02/03/1984)

Specimen size: 12 × 10.2 × 5 cm = 4.72” × 4.02” × 1.97”

Main crystal size: 7.3 × 6.7 cm = 2.87” × 2.64”

JA28W3: Flattened drusy growth of very transparent cubic crystals with a very uniform violet color. An American classic of very good quality.
The sample was previously in the collection of Tom Wiesner (num. 73572074), whose label we’ll send with the Catmur label to the buyer.
Minerva I Mine, Spivey shaft, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois  USA (1974)

Specimen size: 13.7 × 10.3 × 1.7 cm = 5.39” × 4.06” × 0.67”

Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”

TF88AE2: Aggregate of two scalenohedral Calcite crystals with very well defined parallel polycrystalline growths. They are translucent, have a pale yellow color with white phantoms and are on a Sphalerite matrix. An American classic.
Rosiclare, Rosiclare Sub-District, Hardin County, Illinois  USA

Specimen size: 14.7 × 11 × 9.3 cm = 5.79” × 4.33” × 3.66”

Main crystal size: 14 × 7 cm = 5.51” × 2.76”

TLP97AO5: Witherite crystals formed by a thick prism and very flattened and slightly curved rhombohedral terminations with marked polycrystalline growths, translucent, and yellow in color. On matrix with Calcite and Fluorite crystals. A very characteristic specimen for this classic locality, both for the USA and for the species.
Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois  USA

Specimen size: 11.3 × 9.7 × 6.7 cm = 4.45” × 3.82” × 2.64”

TXR63AN9: Equant twinned Calcite crystal with a bipyramidal habit, between transparent and translucent, with good luster and a honey-yellow color.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Irving Materials Quarry, Anderson, Madison County, Indiana  USA

Specimen size: 2.4 × 2 × 1.2 cm = 0.94” × 0.79” × 0.47”

MP26AM9: Group of Calcite crystals on matrix, with poorly developed prism faces and clearly dominant forms of a flattened rhombohedron. They are transparent, lustrous, and have an intense and uniform yellow color. The specimen, from a classic American locality for the species, is from the Robert J. Noble collection and will be sent to the buyer in its original Perky box from that collection, which also contains the label.
Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana  USA

Specimen size: 2.8 × 2.7 × 2.4 cm = 1.10” × 1.06” × 0.94”

Main crystal size: 2.6 × 1.9 cm = 1.02” × 0.75”

TC2240TFM: Group of complex Calcite crystals very rich in crystal forms, with a spheroidal shape, transparent, with good luster and an intense yellow orange color.
Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana  USA

Specimen size: 6 × 4.7 × 3.2 cm = 2.36” × 1.85” × 1.26”

Main crystal size: 2.2 × 2 cm = 0.87” × 0.79”

MD16AM8: Very sharp, complete floater crystal of transparent and lustrous Baryte with a little matrix.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Linwood Mine, Buffalo, Scott County, Iowa  USA

Specimen size: 2.7 × 1.5 × 1 cm = 1.06” × 0.59” × 0.39”

TB66AG3: Groups of octahedral Pyrite crystals with minor cube faces. They are very well defined and bright and are on a rocky matrix coated by small, very acute, scalenohedral Calcite crystals, transparent and bright. The sample is from a not well known Iowa mine.
Pint's Quarry, Raymond, Black Hawk County, Iowa  USA

Specimen size: 7.5 × 6.5 × 4.3 cm = 2.95” × 2.56” × 1.69”

Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”

TB28S1: Group of very bright cuboctohedral crystals of Galena that have polycrystalline and partially skeletal growths. An American classic.
Ballard Mine, Baxter Springs, Picher Field, Tri-State District, Cherokee County, Kansas  USA

Specimen size: 9.4 × 7.2 × 4.4 cm = 3.70” × 2.83” × 1.73”

Main crystal size: 3 × 3.1 cm = 1.18” × 1.22”

TBB11AN4: Quartz crystal geode with very lustrous acicular Millerite crystals and isolated cubo-octahedral Pyrite crystals. From a classic locality for Millerite.
We will ship this specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains a label stating that it was previously in the Melanson collection.
Halls Gap, Lincoln County, Kentucky  USA

Specimen size: 2.3 × 2 × 1 cm = 0.91” × 0.79” × 0.39”

Main crystal size: 0.5 × 0.1 cm = 0.20” × 0.04”

SV2190TBR: Group of arborescent Copper crystals arranged aerially and with a very sharp crystal definition.
A very elegant miniature from a classic American deposit for Copper, and which comes to us via the old collection of Robert-Auguste Touchon.
Lake Superior copper district, Keweenaw County, Michigan  USA

Specimen size: 2.5 × 2.1 × 1.1 cm = 0.98” × 0.83” × 0.43”

Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”

MV66AM0: Floater group of very well defined dodecahedral crystals, bright and of good size, with fine alignments formed by the recrystallization of very shiny Copper microcrystals. With a little matrix and casts of vanished Quartz crystals. An American classic, a high quality miniature.
Keweenaw County, Michigan  USA

Specimen size: 2.7 × 2.2 × 2.2 cm = 1.06” × 0.87” × 0.87”

GA96AK5: Very aerial arborescent growth of native Copper crystals with defined faces and edges, some of them perfectly profiled, on matrix.
The sample is from the Casado Margolles collection (No. V 35), whose file we will send to the buyer.
Keweenaw County, Michigan  USA

Specimen size: 4.9 × 2.7 × 2.8 cm = 1.93” × 1.06” × 1.10”

TF86H5: Excellent crystallization clearly showing the faces of the dodecahedron, even considering the typical deformation and elongation of crystals.
The sample is from an old collection of Northwestern University and we’ll include the label.
Keweenaw County, Michigan  USA

Specimen size: 6 × 3.6 × 3.4 cm = 2.36” × 1.42” × 1.34”

Main crystal size: 1.7 × 0.7 cm = 0.67” × 0.28”

TM43AJ2: A copper “foot”. Parallel growths of crystals that have very well defined faces and edges with a predominant octahedron and dodecahedron, some of them almost complete and all them very bright.
Copper Harbor, Lake Superior, Keweenaw County, Michigan  USA

Specimen size: 6.1 × 3.3 × 2.4 cm = 2.40” × 1.30” × 0.94”

Main crystal size: 2.3 × 1 cm = 0.91” × 0.39”

NRF46AO8: Dendritic growth on matrix with elongated and flattened Copper crystals with well defined faces with a predominance of rhombododecahedra and octahedra.
It comes from the Santiago Jiménez collection, which not only had specimens from Spain but also a good representation of minerals from all over the world.
Keweenaw County, Michigan  USA

Specimen size: 9.8 × 6.2 × 2.3 cm = 3.86” × 2.44” × 0.91”

TX71AL3: Arborescent growth of very aerial and individual crystals of Copper with curvatures on the faces and edges.
Cliff Mine, Phoenix, Keweenaw County, Michigan  USA

Specimen size: 11 × 5.6 × 2.3 cm = 4.33” × 2.20” × 0.91”

Main crystal size: 2.2 × 1.5 cm = 0.87” × 0.59”

TB86AL6: Very aerial dendritic aggregate of rhombododecahedral Copper crystals on matrix, slightly deformed in the growth process but with very well defined faces and edges. Excellent specimen, very elegant and large. An American classic.
Keweenaw Peninsula, Michigan  USA

Specimen size: 20.5 × 15 × 6.7 cm = 8.07” × 5.91” × 2.64”

CFR69AO8: Silver crystals with polycrystalline growths and discernible crystal forms, interspersed with an arborescent growth of Copper. A classic and, at the same time, a rarity from the USA.
The specimen comes from the collection of duplicates of Carlos Curto (number 1989.29), whose label we will send to the buyer.
Lake Superior Mine, Phoenix, Keweenaw County, Michigan  USA

Specimen size: 2.7 × 2.6 × 1.8 cm = 1.06” × 1.02” × 0.71”

Main crystal size: 1.0 × 0.7 cm = 0.39” × 0.28”

EP89AA5: Arborescent growth of curved native Silver crystals with fresh, bright surfaces typical of the best samples from the locality and with small cubic crystals and foliated surfaces of Galena and small Quartz fragments. A very good American classic.
Keweenaw County, Michigan  USA

Specimen size: 4 × 2.3 × 1.5 cm = 1.57” × 0.91” × 0.59”

TQ6AN1: Deformed native Silver crystals, with distinguishable faces and edges, on a native Copper matrix. A classic example of what in collecting jargon is known as a 'halfbreed'.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Calumet No. 1 Mine, Calumet Township, Houghton County, Michigan  USA

Specimen size: 2.4 × 1.9 × 1.2 cm = 0.94” × 0.75” × 0.47”

TF66AH5: Dendritic growth with a clearly dominant crystal of a good size, with the well-developed faces of the dodecahedron and the octahedron.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label in which it appears that it had previously been in the Frank Melanson collection.
Franklin Mine, Franklin, Houghton County, Michigan  USA

Specimen size: 2.7 × 2.2 × 1.6 cm = 1.06” × 0.87” × 0.63”

Main crystal size: 1.9 × 1.9 cm = 0.75” × 0.75”

TK69L5: A classic specimen from a classic locality. Dendritic growth of crystals of considerable size, elongated, with some well defined faces. Nice floater.
Houghton County, Michigan  USA

Specimen size: 10.6 × 8.2 × 2 cm = 4.17” × 3.23” × 0.79”

EZR99AP2: Scalenohedral crystals of Calcite, one of them clearly dominant, accompanied by leafy aggregates of Copper surrounding the Calcite crystals externally but with the particularity that other copper crystals are included within the scalenohedrons of Calcite, giving them the reddish color so characteristic of this type of specimen, an American classic.
Quincy Mine, Hancock, Houghton County, Michigan  USA

Specimen size: 6.1 × 4.8 × 2.3 cm = 2.40” × 1.89” × 0.91”

Main crystal size: 4 × 2.1 cm = 1.57” × 0.83”

TFR46AO0: Doubly terminated scalenohedral Calcite crystal, translucent, white and with abundant reddish native Copper inclusions. One of the most desired American classics, in this case with a peculiarity, the growth of a second generation of small, very white Calcite crystals that give the piece a rather peculiar appearance.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2022, page 73
Quincy Mine, Hancock, Houghton County, Michigan  USA

Specimen size: 7.6 × 3.7 × 2.6 cm = 2.99” × 1.46” × 1.02”

TX53AL3: Tree-like growth, on matrix, of very elongated crystals of Silver, with pronounced twists (“wires”) and crystalline terminations. An excellent example from a mining district from which Silver is known but not abundant.
Caledonia Mine, Mass City, Ontonagon County, Michigan  USA

Specimen size: 4.8 × 2.3 × 2.1 cm = 1.89” × 0.91” × 0.83”

TV46AJ8: Very aerial dendritic native Copper growths on matrix with aggregates of complex Calcite crystals that are translucent, bright, and have a pale pink color. This association of native Copper and well crystallized Calcite is known but rare at Keweenaw.
The sample is from the American mineral dealer Al McGuinness whose label we will send to the buyer.
Keweenaw Copper District, Ontonagon County, Michigan  USA

Specimen size: 11.4 × 7.5 × 5.1 cm = 4.49” × 2.95” × 2.01”

XM140TBA: Group of complex Calcite crystals that form well defined staggered growths. This specimen is from the Lee Hogg collection.
Brushy Creek Mine, Greeley, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 7.8 × 6.4 × 4 cm = 3.07” × 2.52” × 1.57”

TXA14AO2: Group on matrix of very shiny twinned disphenoidal Chalcopyrite crystals, on limonite matrix.
We will ship the specimen in its original Perky box from the collection of Robert J. (Bob) Noble, which also contains the label.
Pea Ridge Mine, Sullivan, Washington County, Missouri  USA

Specimen size: 2.6 × 2 × 2.4 cm = 1.02” × 0.79” × 0.94”

Main crystal size: 1.5 × 1.4 cm = 0.59” × 0.55”

DCA13AN5: Doubly terminated and complete crystal of Calcite, implanted on matrix, with the dominant forms of a ditrigonal prism, terminated by a very flattened rhombohedron. It is transparent, very lustrous and has an intense and uniform yellow color.
The specimen comes from the Lluís Daunis collection.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 3.9 × 2 × 2.2 cm = 1.54” × 0.79” × 0.87”

Main crystal size: 3.5 × 1.2 cm = 1.38” × 0.47”

TM89AJ8: Great doubly terminated scalenohedral Calcite crystal with very well defined polycrystalline growths. It is translucent, very bright, with an intense yellow color, and on matrix with Sphalerite and Pyrite.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 15.4 × 7.8 × 5.4 cm = 6.06” × 3.07” × 2.13”

Main crystal size: 15.4 × 5.3 cm = 6.06” × 2.09”

LH76AE7: Very sharp and aerial Galena crystals, one of them clearly dominant. They are cubic with small octahedral faces, and are on matrix with small white Dolomite rhombohedra and twinned Chalcopyrite crystals.
The sample is from the Carles Millán collection whose catalog card we’ll send to the buyer.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 7.6 × 4.3 × 4.9 cm = 2.99” × 1.69” × 1.93”

Main crystal size: 4.5 × 4.2 cm = 1.77” × 1.65”

TTB90AP9: Group of very sharp Galena crystals of good size, very lustrous, with deformed crystal coatings and spheroidal growths of Pyrite.
The specimen comes from the Michel Carré collection
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 8.2 × 8 × 5.7 cm = 3.23” × 3.15” × 2.24”

Main crystal size: 5 × 4.9 cm = 1.97” × 1.93”

ETP26AN5: Cubo-octahedral Galena crystals, with very sharp and shiny crystal forms, on a matrix of white Dolomite crystals with coatings of small, very lustrous Chalcopyrite crystals.
The specimen is from the Claude Perraudin collection.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 15.7 × 15.3 × 10.2 cm = 6.18” × 6.02” × 4.02”

Main crystal size: 4.7 × 4.2 cm = 1.85” × 1.65”

TCC63AN3: Parallel polycrystalline growth of Microcline with very sharp Baveno-law and Manebach-law twins, lustrous and very white in color.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Granite Ridge, Lolo Pass, Missoula County, Montana  USA

Specimen size: 2.9 × 2 × 1.6 cm = 1.14” × 0.79” × 0.63”

EM96AL7: Arborescent growth of very well defined octahedral Gold crystals, which includes small fragments of Quartz matrix. Of the best quality for a mine that is not too well known and from which specimens are rarely seen.
Atlantic Cable Mine, Georgetown Sub-district, Deer Lodge County, Montana  USA

Specimen size: 2.6 × 1.5 × 1.5 cm = 1.02” × 0.59” × 0.59”

Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”

TA66AL6: Elongated Enargite crystal with very well defined faces and edges, finely striated, with good luster and excellent terminations, from a classic American locality for the species.
We will ship the specimen, in its original Perky box from the Robert J. Noble collection, which also contains the label.
East Colusa Mine, (Berkeley Pit), Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 3 × 1.5 × 0.7 cm = 1.18” × 0.59” × 0.28”

MX49AJ1: Druse with Rhodochrosite crystals formed by a prism with rhombohedral terminal faces and where two different growth phases can be clearly seen, an inner first one (perhaps Calcite further replaced by Rhodochrosite) that is translucent and with a more intense color, and a second one with a lighter pink color. The sample, from a classic US locality, shows on its lower edge small Pyrite crystals.
Emma Mine, Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 9 × 5.2 × 3.4 cm = 3.54” × 2.05” × 1.34”

Main crystal size: 0.9 × 0.5 cm = 0.35” × 0.20”

EJ70AG0: Very sharp and elongated Veszelyite crystals, a rare zinc and copper phosphate. They have a considerable length for the species, have very well defined faces and are on a Quartz matrix. An excellent miniature from a locality that is a classic for the species.
Black Pine Mine, John Long Mountains, Philipsburg District (Flint Creek District), Granite County, Montana  USA

Specimen size: 2.2 × 1.4 × 0.7 cm = 0.87” × 0.55” × 0.28”

Main crystal size: 0.6 × 0.3 cm = 0.24” × 0.12”

TGB68AN4: Very aerial group of slightly tapered Mimetite crystals, many of them doubly terminated, with good luster and a uniform brown color, on matrix, with small Quartz crystals.
The specimen comes from a little-known locality for the species and is of excellent quality for what was found there.
Black Pine Mine, John Long Mountains, Philipsburg District (Flint Creek District), Granite County, Montana  USA

Specimen size: 5.8 × 5.2 × 2.8 cm = 2.28” × 2.05” × 1.10”

Main crystal size: 0.4 × 0.1 cm = 0.16” × 0.04”

TDM71AO5: Group on matrix of water-clear and very sharp Quartz crystals, some, including the main one, doubly terminated, lustrous, and with phantom growths perfectly outlined by small spherulitic inclusions of Muscovite. The specimen comes from a locality not widely disclosed in European collecting.
PC Mine, Cataract District , Jefferson County, Montana  USA

Specimen size: 10.1 × 7.4 × 6 cm = 3.98” × 2.91” × 2.36”

Main crystal size: 5 × 2.4 cm = 1.97” × 0.94”

EX94AM5: Floater group with flattened crystals, with the dominant shapes of the cube and the dodecahedron, and very aesthetic elongated shapes.
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada  USA

Specimen size: 2.2 × 2.1 × 0.9 cm = 0.87” × 0.83” × 0.35”

Main crystal size: 1.8 × 0.6 cm = 0.71” × 0.24”

HM320TM: Dendritic growt very aerial and on a Quartz matrix, of leafy crystals with finely shaped edges of Gold (variety electrum), very rich in Silver (27% approx.)
We will send a copy of the analysis to the buyer of the specimen.
Weight: 0.8 grams
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 1.9 × 1.2 × 0.8 cm = 0.75” × 0.47” × 0.31”

TD98AL9: Very aerial aggregate of lamellar Gold crystals (electrum variety), very rich in Silver, approximately 27%, with well defined edges and on a Quartz matrix. We will send a copy of the analysis to the buyer of the specimen.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2 × 1.6 × 1 cm = 0.79” × 0.63” × 0.39”

TA30AC9: A novelty at Tucson 2016. Aggregate very rich in silver (27% aprox.) leafy Gold crystals (electrum variety), with flat octahedral crystals in groups that resemble leaves. Its color is the classic "old gold" of electrum due to its Silver-rich composition.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2.1 × 2 × 0.8 cm = 0.83” × 0.79” × 0.31”

TF90AK7: Very aerial aggregate of leafy gold crystals (electrum variety) very rich in silver (27% approx.) and with finely profiled edges. We will send a copy of the analysis to the buyer.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2.3 × 1.9 × 0.6 cm = 0.91” × 0.75” × 0.24”

TQ74AK4: Arborescent aggregate of Gold crystals (electrum variety) very rich in silver (27% approx.), leafy and with finely serrated edges. The specimen comes from a unique find made in a previously unknown mine. We will send a copy of the analysis to the buyer of the specimen.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2.8 × 2.4 × 0.8 cm = 1.10” × 0.94” × 0.31”

TR16AM3: Very aerial group of lamellar Gold crystals (variety electrum), some of them with very well marked skeletal growths and a little matrix at the back. The specimen comes from a relatively recent find in a known gold zone.
Specimens from this find were analyzed and we will send a copy of the analysis to the buyer.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2.9 × 2.5 × 1 cm = 1.14” × 0.98” × 0.39”

TC96AK3: Centered spray of very brilliant acicular Stibnite crystals on a matrix of the same mineral in massive form. The specimen, from a location where good quality Stibnite is rare, was in the Bill Williams collection (No. 885), whose label we will send to the buyer.
Goldstrike Mines, Deep Post orebody, Betze-Post pit, Lynn District, Eureka County, Nevada  USA

Specimen size: 6.4 × 4.4 × 1.9 cm = 2.52” × 1.73” × 0.75”

Main crystal size: 0.4 × 0.1 cm = 0.16” × 0.04”

MT27AM9: Groups of Chalcophyllite crystals on matrix, very sharp, with a sharp hexagonal outline and a very uniform greenish blue color. This specimen, from a classic American locality for the species, is from the Robert J. Noble collection and will be sent to the buyer in its original Perky box from that collection, which also contains the label.
Majuba Hill Mine, Antelope District, Pershing County, Nevada  USA

Specimen size: 2.8 × 1.6 × 1.8 cm = 1.10” × 0.63” × 0.71”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

TDA14AN4: Isolated Baryte crystal, translucent and lustrous, with apparently simple crystal forms but beveled by abundant minor forms.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Mina Rosebud, Rosebud District, Pershing County, Nevada  USA

Specimen size: 2.2 × 2.1 × 1.5 cm = 0.87” × 0.83” × 0.59”

TD49AE9: Single crystal, on a rocky matrix, of this rare silver sulphosalt. It has very well defined faces and edges and an unusually intense luster.
Mina Rosebud, Rosebud District, Pershing County, Nevada  USA

Specimen size: 4 × 2.6 × 1.5 cm = 1.57” × 1.02” × 0.59”

Main crystal size: 1.2 × 0.6 cm = 0.47” × 0.24”