Mineral Specimens - page 1
USA

MG46AJ4: Very aerial group of Pyromorphite crystals with very nice curvatures that give them a barrel, almost spherical, shape. Their reddish orange color and luster are excellent. Although it has been reported that these globular orange crystals from Bunker Hill are arsenic-rich Pyromorphite specimens, we analyzed some samples and the results are that they really are pure Pyromorphite, with no arsenic.
The sample is from the Thomas P. Moore collection whose label we will send to the buyer.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 3 × 2 × 2.2 cm = 1.2” × 0.8” × 0.9”

TP28AI0: Floater group of very well defined crystals, some of them doubly terminated, with a good length, a very intense luster and yellowish green color.
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 has been in the Sullivan collection.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 2.6 × 1.7 × 1.6 cm = 1.0” × 0.7” × 0.6”

Main crystal size: 1.5 × 1.1 cm = 0.6” × 0.4”

TP27AH4: Very aerial aggregate of Pyromorphite crystals with very well defined faces and edges, some of them doubly terminated and others with very well defined hollow growths. They are bright and have an excellent color. An American classic, not only of great quality but also different than usual for this extraordinary mine.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 5.1 × 3.7 × 4.3 cm = 2.0” × 1.5” × 1.7”

Main crystal size: 2.8 × 1.8 cm = 1.1” × 0.7”

TC63AH1: Group of Pyromorphite crystals with very well defined curvatures that give them a barrel habit. They have an excellent orange color and luster. Although it has been reported that this kind of globular orange crystals from Bunker Hill are arsenic-rich Pyromorphite specimens, we analyzed some samples and the results are that they really are pure Pyromorphite, with no arsenic.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 6 × 4.8 × 4.7 cm = 2.4” × 1.9” × 1.9”

Main crystal size: 0.7 × 0.4 cm = 0.3” × 0.2”

TF56V1: Group of flattened crystals, transparent to translucent, and neatly twinned. They are on a matrix of rough Galena. The locality is a world classic for Pyromorphite, but good samples of Cerussite from there are less common.
The sample is from the Geary Murdock collection, whose label we'll send to the buyer.
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 5.4 × 5.1 × 2.9 cm = 2.1” × 2.0” × 1.1”

Main crystal size: 1.5 × 0.8 cm = 0.6” × 0.3”

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 = 3.3” × 2.2” × 1.7”

Main crystal size: 0.8 × 0.3 cm = 0.3” × 0.1”

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 = 1.6” × 1.2” × 0.8”

Main crystal size: 2.2 × 0.2 cm = 0.9” × 0.1”

ME37AJ4: Neptunite crystals on matrix with very well defined faces and edges and very bright. They are with a Benitoite single crystal and Joaquinite-(Ce) crystals of a good size for the species, with a dipyramidal shape, very well defined faces and edges, translucent and with an intense orange color.
California State Gem Mine (Benitoite Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 5.5 × 5.2 × 4.4 cm = 2.2” × 2.0” × 1.7”

Main crystal size: 2 × 0.6 cm = 0.8” × 0.2”

NB26AI3: Group of isolated and very bright Neptunite crystals with very well defined faces and edges. One of them, clearly dominant, is doubly terminated and is on a perfectly vertical position on its Natrolite matrix. An American classic of great quality.
The sample is from the Ignacio Hernández collection (num. 56) whose original label we’ll send to the buyer.
California State Gem Mine (Benitoite Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 6.1 × 2.8 × 2.9 cm = 2.4” × 1.1” × 1.1”

Main crystal size: 3.2 × 0.9 cm = 1.3” × 0.4”

MV14AJ0: Very sharp Benitoite crystal on matrix. It has very well defined faces and edges and a very deep and uniform color.
California State Gem Mine (Benitoite Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 1.7 × 1.1 × 0.8 cm = 0.7” × 0.4” × 0.3”

Main crystal size: 0.8 × 0.7 cm = 0.3” × 0.3”

T76NH5: This variety of Andradite is from from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. Crystals are dodecahedra of very well-defined faces and edges; they are bright and have good color contrasting on a slightly bluish matrix partially covered by Clinochlore.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 5 × 3.8 × 2 cm = 2.0” × 1.5” × 0.8”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”

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 = 2.6” × 1.7” × 1.3”

Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1”

T97CH5: This variety of Andradite is from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. Crystals are dodecahedra of very well-defined faces and edges; they are bright and have good color contrasting on a slightly bluish matrix.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 9.4 × 4.4 × 2.7 cm = 3.7” × 1.7” × 1.1”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

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 = 1.2” × 1.1” × 1.3”

Main crystal size: 1.1 × 0.1 cm = 0.4” × 0.0”

TG27W4: Floater and complete crystal that has an excellent flat termination, with small faces of the rhombohedron and, on the opposite end, a polycrystalline growth with acute rhombohedral terminations. The color zoning, typical for the locality, is very well marked, with a green cap and pinkish-red shades in the body of the crystal.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 2.2 × 2 × 2 cm = 0.9” × 0.8” × 0.8”

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.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 4.7 × 2.2 × 2.3 cm = 1.9” × 0.9” × 0.9”

MF14AH6: Very aerial radial spray of acicular and extraordinarily thin Artinite crystals on matrix.
Artinite Pit, Clear Creek, Picacho Peak, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 3.2 × 1.6 × 1 cm = 1.3” × 0.6” × 0.4”

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 = 0.6” × 0.3” × 0.3”

Main crystal size: 1 × 0.6 cm = 0.4” × 0.2”

MB96AJ4: Isolated and grouped tabular Wulfenite crystals on matrix. They are translucent and bright with a good reddish orange color. An American classic.
Red Cloud Mine, Trigo Mountains, Silver District, La Paz County, Arizona  USA

Specimen size: 7.8 × 4.6 × 2 cm = 3.1” × 1.8” × 0.8”

Main crystal size: 1 × 0.7 cm = 0.4” × 0.3”

TE47E0: A very esthetic Wulfenite that is very upright on the matrix, shows a well-defined crystal form, is partially gemmy, and has a good, slightly redder than normal color.
Red Cloud Mine, Trigo Mountains, Silver District, La Paz County, Arizona  USA (2001)

Specimen size: 3 × 2 × 1 cm = 1.2” × 0.8” × 0.4”

Main crystal size: 1.5 × 1.3 × 0.3 cm = 0.6” × 0.5” × 0.1”

TD87AJ3: Dendritic growth of extraordinarily sharp cubo-octahedral native Copper crystals that are extremely elongated, with a very well defined spinel-law twin and partially coated by Malachite. A classic from Arizona.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA

Specimen size: 3.2 × 2.4 × 0.8 cm = 1.3” × 0.9” × 0.3”

Main crystal size: 3 × 0.8 cm = 1.2” × 0.3”

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 = 1.5” × 1.2” × 0.3”

Main crystal size: 1.4 × 0.3 cm = 0.6” × 0.1”

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 = 3.5” × 2.0” × 1.7”

Main crystal size: 2 × 0.2 cm = 0.8” × 0.1”

VA47Y9: Dendritic growth of flattened Copper crystals that, in some areas on the sample, show very well defined faces and edges. The piece, very aerial and with remains of the rocky matrix, is from a classic American mine.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA

Specimen size: 15.5 × 10 × 7 cm = 6.1” × 3.9” × 2.8”

Main crystal size: 1.2 × 0.6 cm = 0.5” × 0.2”

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 = 1.7” × 1.7” × 1.1”

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 = 1.9” × 1.7” × 1.0”

Main crystal size: 3 × 3 cm = 1.2” × 1.2”

EE68AI7: Spheroidal aggregates, on limonite matrix, of bright Azurite micro-crystals that have a very vivid color, with small coatings of aggregates of acicular Malachite crystals. It is from a locality that is a classic for worldwide mineralogy.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 6.8 × 5.9 × 4.8 cm = 2.7” × 2.3” × 1.9”

Main crystal size: 1.1 × 1.1 cm = 0.4” × 0.4”

TX30AH2: Equant Azurite crystals with the dominant forms of the lateral pinacoid and prism. They are translucent, very bright, have a very intense and deep color and are on a limonite matrix, with small fan-like Malachite aggregates. An American classic, with very good quality for the locality.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 8.5 × 6 × 3.8 cm = 3.3” × 2.4” × 1.5”

Main crystal size: 0.6 × 0.4 cm = 0.2” × 0.2”

TM47AH6: Elongated prismatic Atacamite crystals that are very fine, transparent and extraordinarily bright, with small spray-like aggregates of acicular Brochantite crystals that have a lighter color, all on a Cuprite matrix. The Atacamite has been analyzed and we’ll send a copy of the analysis to the buyer.
Cole Mine (Cole shaft), 700 ft level, 110 stope, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA

Specimen size: 2.6 × 3.2 × 1.7 cm = 1.0” × 1.3” × 0.7”

Main crystal size: 0.2 × 0.1 cm = 0.1” × 0.0”

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 = 3.9” × 3.7” × 2.6”

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

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 = 5.3” × 3.1” × 2.0”

Main crystal size: 0.7 × 0.3 cm = 0.3” × 0.1”

MF37AH6: Very sharp and fine crystal with very well defined faces and edges, extraordinarily bright and on a bit of matrix.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label on which it appears that it had previously been 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: 2.1 × 1.5 × 0.7 cm = 0.8” × 0.6” × 0.3”

MT48AA8: Parallel aggregate of elongated Epidote crystals, one of them clearly dominant. They are translucent, with a very deep color and perfect termination. The sample is from a very recent find at the locality, a great classic for the species.
This sample has been photographed and published as a novelty at the 2014 Munich Show in the magazine ‘Le Règne Minéral’ number 120, page 51
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska  USA (07/2014)

Specimen size: 6.5 × 2.4 × 2.4 cm = 2.6” × 0.9” × 0.9”

Main crystal size: 6.5 × 1.8 cm = 2.6” × 0.7”

EN96AI0: Spheroidal Wavellite core on matrix with a very deep green color and an external layer formed by radiating growths of acicular crystals with a greenish yellow color.
Montgomery County, Arkansas  USA

Specimen size: 5.7 × 6.4 × 6.1 cm = 2.2” × 2.5” × 2.4”

Main crystal size: 2.2 × 2.1 cm = 0.9” × 0.8”

MF16AJ3: Hübnerite crystals on matrix with different characteristics from those of other well-known localities, forming radial aggregates with a flattened, almost laminar, shape. Very bright with a red color with bronze shades, very typical of the locality of origin. An excellent US classic.
Adams Mine, Cement Creek, Silverton, Eureka District, San Juan County, Colorado  USA

Specimen size: 13.2 × 11 × 6 cm = 5.2” × 4.3” × 2.4”

Main crystal size: 3.5 × 1 cm = 1.4” × 0.4”

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 = 2.1” × 1.3” × 1.0”

Main crystal size: 1.2 × 0.7 cm = 0.5” × 0.3”

EN87AI8: Rhombohedral Rhodochrosite crystals that are translucent and bright with a very intense and deep color. They are with Galena, Pyrite and small Quartz crystals and, furthermore, there are Fluorite crystals, something uncommon at the locality.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Sweet Home Mine, main stope, Mount Bross, Alma District, Park County, Colorado  USA (1993)

Specimen size: 8.1 × 7 × 3.6 cm = 3.2” × 2.8” × 1.4”

Main crystal size: 1.2 × 1.2 cm = 0.5” × 0.5”

TQ27AH6: Group of Microcline (amazonite variety) crystals on matrix with a small Albite rosette and a small acicular Schorl crystal. The sample, a very old one, is not repaired.
Pikes Peak, Teller County, Colorado  USA

Specimen size: 5.7 × 4.6 × 2.8 cm = 2.2” × 1.8” × 1.1”

Main crystal size: 3.1 × 1.3 cm = 1.2” × 0.5”

TM99Z6: Very well defined Sphalerite crystals that are twinned, completely transparent, very bright, have a very uniform deep honey color and are with scalenohedral Chalcopyrite crystals and small Galena cubes. A great American classic of high quality.
Commodore Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 6.5 × 4.2 × 2.6 cm = 2.6” × 1.7” × 1.0”

Main crystal size: 1.3 × 1.3 cm = 0.5” × 0.5”

TM56AI8: Very bright flattened Calaverite crystals with very well defined parallel growths and with very fine growth striations. On matrix with Calcite. The Calaverite has been analyzed and we will send a copy of the analysis to the buyer.
Cripple Creek District, Teller County, Colorado  USA

Specimen size: 2.4 × 2.4 × 0.7 cm = 0.9” × 0.9” × 0.3”

Main crystal size: 0.5 × 0.2 cm = 0.2” × 0.1”

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 = 2.0” × 1.5” × 0.9”

Main crystal size: 0.9 × 0.4 cm = 0.4” × 0.2”

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 = 1.0” × 0.9” × 0.8”

Main crystal size: 2.4 × 2.2 cm = 0.9” × 0.9”

NP47AJ2: Twinned Rutile crystal with a good length, with very well defined faces and edges, bright and with Calcite and Pyrophyllite blades at the bottom. A classic of US mineralogy.
Graves Mountain, Lincoln County, Georgia  USA

Specimen size: 6.1 × 5 × 3.2 cm = 2.4” × 2.0” × 1.3”

TJ53L7: A Classic Specimen. Good sized Rutile crystal with well defined faces and a very marked and classic twin. Faces show a very good luster, with deep reddish reflections. At the base and at the top and back side we can see a small Muscovite rich matrix.
The sample is accompanied by a collection label. On the back of the label is handwritten that this sample was collected by Terry and Jean Ledford in the spring of 1998. As is our custom, we will send the label to the buyer.
Graves Mountain, Lincoln County, Georgia  USA (1998)

Specimen size: 7 × 6.8 × 5.3 cm = 2.8” × 2.7” × 2.1”

ER56AI1: Splendid druse of great quality and very esthetic, two generations of crystals both with a very sharp cubic morphology, very bright and with geometrical growths on the edges. Both crystal generations contrast due to differences in size and color. The first are larger and honey yellow, the second are smaller with violet shades.
Annabel Lee Mine, Harris Creek Sub-District, Hardin County, Illinois  USA

Specimen size: 14.3 × 9.5 × 2.4 cm = 5.6” × 3.7” × 0.9”

Main crystal size: 1.5 × 1.3 cm = 0.6” × 0.5”

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 = 5.8” × 4.3” × 3.7”

Main crystal size: 14 × 7 cm = 5.5” × 2.8”

VA47Y5: An intergrowth of two crystals on a matrix of very acute Calcite crystals. The crystals of Witherite, yellowish in color, are formed by a thick prism, horizontally striated, and much flattened and slightly curved rhombohedral terminations.
Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois  USA (±1978)

Specimen size: 4.7 × 4.2 × 3 cm = 1.9” × 1.7” × 1.2”

Main crystal size: 4.1 × 3.2 cm = 1.6” × 1.3”

EH47X0: Group of crystals on matrix formed by a short prism and a terminal flattened rhombohedron. The crystals are transparent, bright, with yellow color and slight orange tones and very well marked phantom growths. An American classic.
Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana  USA

Specimen size: 10.7 × 8.7 × 3.9 cm = 4.2” × 3.4” × 1.5”

Main crystal size: 2.6 × 2.4 cm = 1.0” × 0.9”

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 = 3.0” × 2.6” × 1.7”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

TK57AD2: Very aerial aggregate of very sharp doubly terminated crystals that are transparent and bright and whose color is between smoky and yellow. Some of them have parallel growths and inclusions.
Linwood Mine, Buffalo, Scott County, Iowa  USA (2011-2012)

Specimen size: 10.3 × 4.8 × 2.7 cm = 4.1” × 1.9” × 1.1”

Main crystal size: 4.6 × 2.7 cm = 1.8” × 1.1”

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 = 3.7” × 2.8” × 1.7”

Main crystal size: 3 × 3.1 cm = 1.2” × 1.2”

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.
Lake Superior, Copper Harbor, Keweenaw County, Michigan  USA

Specimen size: 6.1 × 3.3 × 2.4 cm = 2.4” × 1.3” × 0.9”

Main crystal size: 2.3 × 1 cm = 0.9” × 0.4”

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 “Bunk” Melanson collection.
Franklin Mine, Franklin, Houghton County, Michigan  USA

Specimen size: 2.7 × 2.2 × 1.6 cm = 1.1” × 0.9” × 0.6”

Main crystal size: 1.9 × 1.9 cm = 0.7” × 0.7”

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 = 4.2” × 3.2” × 0.8”

MF70Q1: Very aerial group of crystals better formed than usual, some of them with very well defined crystalline forms, of good size and luster.
Central Mine, Central, Keweenaw County, Michigan  USA

Specimen size: 3.3 × 3.1 × 1.5 cm = 1.3” × 1.2” × 0.6”

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 = 2.4” × 1.4” × 1.3”

Main crystal size: 1.7 × 0.7 cm = 0.7” × 0.3”

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 = 1.6” × 0.9” × 0.6”

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 = 3.0” × 1.7” × 1.9”

Main crystal size: 4.5 × 4.2 cm = 1.8” × 1.7”

AB64AB9: Translucent scalenohedral crystal with a yellow color, polycrystalline growths on the scalenohedral faces and a flat recrystallized base with slightly wavy surfaces, not foliated, and with a small rocky matrix.
Joplin Field, Tri-State District, Jasper County, Missouri  USA

Specimen size: 15.3 × 9.4 × 5.8 cm = 6.0” × 3.7” × 2.3”

Main crystal size: 15.3 × 6.6 cm = 6.0” × 2.6”

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 = 3.5” × 2.0” × 1.3”

Main crystal size: 0.9 × 0.5 cm = 0.4” × 0.2”

EJ70AG0: Very sharp and elongated Veszelyite crystals, a rare copper and zinc 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 = 0.9” × 0.6” × 0.3”

Main crystal size: 0.6 × 0.3 cm = 0.2” × 0.1”

EA99AA2: Druse with very sharp Enargite crystals on a matrix of massive Enargite and Pyrite. The crystalline forms, a finely striated prism and the pinacoid, are very bright. An American classic.
Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 6.1 × 5.3 × 4.7 cm = 2.4” × 2.1” × 1.9”

Main crystal size: 0.9 × 0.7 cm = 0.4” × 0.3”

EA90AI4: Very sharp rhombohedral Cinnabar crystals with very well defined faces and the interpenetration twin. They have a very vivid color and are on matrix with small Quartz crystals. This specimen has an extraordinary quality for the locality, well known for the species but where good Cinnabars are rare.
Snowshoe Mine, Paradise Valley, Poverty Peak District, Humboldt County, Nevada  USA (±1954)

Specimen size: 5.5 × 3.6 × 4.1 cm = 2.2” × 1.4” × 1.6”

Main crystal size: 0.9 × 0.7 cm = 0.4” × 0.3”

TL48AF7: Very aerial leaf of Gold (electrum variety) crystals, very rich in silver (27% aprox.) and that have fine saw-like edges. We’ll send a copy of the analysis to the buyer of the sample.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)

Specimen size: 2.3 × 1.5 × 0.6 cm = 0.9” × 0.6” × 0.2”

TB98AC9: 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: 1.7 × 1.3 × 1 cm = 0.7” × 0.5” × 0.4”

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 = 0.8” × 0.8” × 0.3”

TC56Z3: Arborescent growths, on matrix, of strongly elongated Gold crystals, some of them with very well defined terminal faces, curvatures and wires. It is quite different than usual at this mine.
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada  USA (±2001)

Specimen size: 3.7 × 2.7 × 1.2 cm = 1.5” × 1.1” × 0.5”

Main crystal size: 1 × 0.2 cm = 0.4” × 0.1”

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 = 1.6” × 1.0” × 0.6”

Main crystal size: 1.2 × 0.6 cm = 0.5” × 0.2”

TA96T8: Very well defined scepter growth whose base is a smoky crystal, with a very deep color, capped by a sharp crystal with a short prism and translucent with many inclusions. Because of a neat irregular growth on the back it is possible to see the termination of the dark smoky stem.
Royal Scepter Mine, Hallelujah Junction area, Washoe County, Nevada  USA (06/2010)

Specimen size: 13.2 × 4 × 4 cm = 5.2” × 1.6” × 1.6”

TA86T6: Tabular-laminar crystals on matrix. They are very sharp, completely transparent, with an intense yellow color and an extraordinary luster. An American classic, very esthetic.
Meikle Mine, Bootstrap District, Elko County, Nevada  USA (1998)

Specimen size: 10.8 × 6.9 × 5.4 cm = 4.3” × 2.7” × 2.1”

Main crystal size: 1.1 × 0.9 cm = 0.4” × 0.4”

T87BS4: Fine example of this very rare vanadate of lead and bismuth (only three localities in the world, two in Nevada) from the type locality. It is with another rare related species, Clinobisvanite, which is easy to distinguish from the Pottsite either by its reddish color or by its fluorescence.
Linka Mine, Spencer Hot Springs, Lander County, Nevada  USA (±2000)

Specimen size: 2.3 × 1.6 × 1 cm = 0.9” × 0.6” × 0.4”

CR66AJ0: Octahedral Franklinite crystal on matrix with the classical shape of the samples from Franklin in the sixties of the last century. It has very well defined faces and edges which are slightly curved. An American classic from the type locality for the species.
The sample is from the Carles Curto collection whose label and catalog card we will send to the buyer.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA

Specimen size: 2.5 × 2.5 × 2.1 cm = 1.0” × 1.0” × 0.8”

NA50Z7: Octahedral Franklinite crystals with very well defined faces and curved edges. The crystal, of good size, is free of damage which is rare for samples of this fragile species. It is on a Calcite matrix with red crystalline Zincite nodules.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA

Specimen size: 8.1 × 6.8 × 4.2 cm = 3.2” × 2.7” × 1.7”

Main crystal size: 2.8 × 2.6 cm = 1.1” × 1.0”

TJ27H7: The crystal is doubly terminated and its faces and edges have an excellent definition, much better than most usual for this classic material. The matrix of white Calcite contrasts with the darker shades of the crystal.
The sample is from Thomas Moore collection.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA

Specimen size: 2 × 2 × 1.4 cm = 0.8” × 0.8” × 0.6”

Main crystal size: 2 × 1.5 cm = 0.8” × 0.6”

TC47Y6: Very rounded, almost spherical, Prehnite crystals with a very clear green color on a surface of transparent and extraordinarily bright Datolite crystals with very well defined faces and edges and on a rocky matrix. A good American classic of which currently circulate very few samples.
This piece is from the Tichelman collection (num. 309) whose label we’ll send to the buyer.
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey  USA (±1970)

Specimen size: 7.6 × 6.1 × 3 cm = 3.0” × 2.4” × 1.2”

Main crystal size: 0.6 × 0.5 cm = 0.2” × 0.2”

TF48N9: Octahedral crystals of considerable size, very well defined with a deep and uniform color and good luster, which not so frequent in the samples of this locality.
The number mark on the sample indicates it was on the collection of John H. Marshall, well known collector of Pyromorphite but who also collected Fluorites.
William Wise Mine, Westmoreland, Cheshire County, New Hampshire  USA (1990)

Specimen size: 8.9 × 5.7 × 4.6 cm = 3.5” × 2.2” × 1.8”

Main crystal size: 6.3 × 4.5 cm = 2.5” × 1.8”

TV88AH1: Lenticular Linarite crystals, flattened and elongated with faces and edges more defined than usual, with a very intense and vivid blue color and on a Quartz matrix. The sample is from an American locality that is a classic for the species.
Bingham, Hansonburg District, Socorro County, New Mexico  USA (±1990)

Specimen size: 5.3 × 4.3 × 3.7 cm = 2.1” × 1.7” × 1.5”

Main crystal size: 0.5 × 0.2 cm = 0.2” × 0.1”

MM37AG9: Botryoidal Smithsonite with a very aerial character, with a pale blue color and areas with intense blue shades. The sample is very typical for Kelly Mine samples, an American classic.
Kelly Mine, Magdalena, Magdalena District, Socorro County, New Mexico  USA

Specimen size: 5.1 × 4.8 × 3 cm = 2.0” × 1.9” × 1.2”

VF71Y4: Fine botryoidal growth, on matrix, with a very intense and uniform greenish blue color and showing a luster that is very intense for the species. Lateral areas allow viewing the banded growth of the mineral. An excellent American classic.
Kelly Mine, Magdalena, Magdalena District, Socorro County, New Mexico  USA

Specimen size: 9 × 8.5 × 5.5 cm = 3.5” × 3.3” × 2.2”

TA86AD9: Very sharp Japan Law twin that is typical for the locality, with very well defined faces and edges, very transparent and bright and with an intense and uniform smoky color.
The sample is with a label of Ron K. Sohn Minerals that we’ll send to the buyer.
Tiro Estrella Mine, El Capitan Mountains, Capitan District, Lincoln County, New Mexico  USA

Specimen size: 3.2 × 2.6 × 0.7 cm = 1.3” × 1.0” × 0.3”

TV16AD9: Radial growths of green acicular Brochantite microcrystals on a crystalline Fluorite matrix that is translucent and has a sky blue color with slightly violet zones. Very unusual, the sample is from an old collection.
Blanchard Mine (Portales-Blanchard Mine), Sunshine No. 2 adit, Bingham, Hansonburg District, Socorro County, New Mexico  USA

Specimen size: 4.9 × 3.7 × 2.9 cm = 1.9” × 1.5” × 1.1”

TX61AJ3: A novelty at Denver 2018. Isolated platy Graphite crystals, very large with a contour that is very well defined for the species and implanted on a Diopside matrix.
Rossie, St. Lawrence County, New York  USA (28/06/2018)

Specimen size: 4 × 3 × 2.7 cm = 1.6” × 1.2” × 1.1”

Main crystal size: 3 × 1.8 cm = 1.2” × 0.7”

TK27AJ2: Doubly terminated Tremolite crystal (chrome rich variety) with acute polycrystalline terminations, very well defined prismatic faces and edges, translucent with a very intense green color and with small, brown, Clinohumite crystals and platy Graphite crystals. A rare US classic proposed in Tucson 2019.
Washburn Farm, Macomb, Macomb Township, St. Lawrence County, New York  USA (05/2018)

Specimen size: 3.6 × 1.5 × 1.5 cm = 1.4” × 0.6” × 0.6”

DB14AD2: Aggregate of very well developed prismatic crystals, some of them doubly terminated, that are translucent and have a clear green color. The sample is from one of the most classic localities for the species.
Selleck Road, West Pierrepont, St. Lawrence County, New York  USA

Specimen size: 8.9 × 6.6 × 3.3 cm = 3.5” × 2.6” × 1.3”

Main crystal size: 1.7 × 1 cm = 0.7” × 0.4”

TB27AJ2: Group of complex Sphalerite crystals with very well defined faces and edges, transparent and bright with a very vivid honey color and on a Calcite matrix. A rare US classic found in Tucson 2019.
Empire State Marble Quarry (Empire Quarry), Gouverneur, St. Lawrence County, New York  USA (01/2019)

Specimen size: 2.5 × 2 × 1 cm = 1.0” × 0.8” × 0.4”

TM50T0: An excellent floater crystal, complete, without lateral exfoliation or damage, very transparent with very well marked parallel growths on both terminations. One of the more rare Spodumene samples from this locality in North Carolina, better known by the variety Hiddenite.
Stony Point (Hiddenite), Alexander County, North Carolina  USA (±1985)

Specimen size: 10.7 × 3.4 × 2 cm = 4.2” × 1.3” × 0.8”

TA36L0: One of the novelties of Tucson 2008. Transparent to translucent cubic Fluorite crystals with sharp faces and edges. Color varies between yellow and dark honey, with well defined and quite variable color intensity in geometric zonations. On a matrix of small crystals of Celestine.
White Rock Quarry, Clay Center, Ottawa County, Ohio  USA (2007)

Specimen size: 4.7 × 3.3 × 3.2 cm = 1.9” × 1.3” × 1.3”

Main crystal size: 1.6 × 1.5 cm = 0.6” × 0.6”

VM56Z4: Very sharp sphenoidal (pseudotetrahedral) Chalcopyrite crystals on black Sphalerite crystals. They are on a matrix of Dolomite showing the typical saddle-like shape. A very characteristic American classic.
Picher Field, Tri-State District, Ottawa County, Oklahoma  USA

Specimen size: 11.4 × 8.6 × 4.2 cm = 4.5” × 3.4” × 1.7”

Main crystal size: 3.2 × 2.5 cm = 1.3” × 1.0”

TD86Q6: White trapezohedral crystals. They are bright, have very well defined faces and edges and are partially coated by small crystals of Fluorapophyllite-(K) The sample is of excellent quality for the locality, a classic for American zeolites.
Cornwall Mines, Cornwall Borough, Lebanon County, Pennsylvania  USA

Specimen size: 9.9 × 7.1 × 4.2 cm = 3.9” × 2.8” × 1.7”

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

CA66AI4: Group of crystals, one of them clearly dominant and all them (except one) doubly terminated. They show a prism with curved edges and a poorly defined terminal rhombohedron. The crystals are completely filled by sand inclusions. An American classic that is currently difficult to obtain in good samples because the area where they are found has been declared a National Park.
Rattlesnake Butte, Jackson County, South Dakota  USA (±1990)

Specimen size: 7.7 × 5 × 3.9 cm = 3.0” × 2.0” × 1.5”

Main crystal size: 7.2 × 3.2 cm = 2.8” × 1.3”

AA66AG9: Druse of complex Sphalerite crystals, very rich with faces, clearly twinned and with very well defined forms. They are translucent, very bright, have a very deep color and are on a rocky matrix with small scalenohedral Calcite crystals. An American classic, typical of past samples from the Elmwood mine.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 7.9 × 7.4 × 4.4 cm = 3.1” × 2.9” × 1.7”

Main crystal size: 0.9 × 0.8 cm = 0.4” × 0.3”

CF86AD3: Druse of complex Sphalerite crystals that are very rich in faces and have very well defined forms. They are translucent, very bright and have a very deep color. On a rocky matrix with small rhombohedral Dolomite crystals. An American classic.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 9.7 × 7.2 × 5.2 cm = 3.8” × 2.8” × 2.0”

Main crystal size: 1.3 × 1.2 cm = 0.5” × 0.5”

MP36T0: Well individualized crystals with very well defined faces and edges, very bright, and with intense deep red reflections. On matrix, with white rhombohedral crystals of Dolomite.
Gordonsville Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 5.4 × 5.4 × 2.4 cm = 2.1” × 2.1” × 0.9”

Main crystal size: 1.9 × 1.6 cm = 0.7” × 0.6”

MY6R8: Sphalerite crystals more individualized than usual for the locality. They have a very well defined tetrahedral habit and are twinned, translucent and very bright, being implanted on a matrix coated by Quartz with small white crystals of Dolomite and yellow crystals of Calcite. A USA classic.
Gordonsville Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 11.4 × 7.2 × 5.7 cm = 4.5” × 2.8” × 2.2”

Main crystal size: 1.9 × 1.3 cm = 0.7” × 0.5”

MT67X6: Cubic crystal of Fluorite with polycrystalline faces and small Galena crystals on their surfaces. The crystal is translucent and bright, has a clear lilac color and it is on a Galena matrix.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 7.5 × 7.3 × 7.5 cm = 3.0” × 2.9” × 3.0”

TE14AJ1: Group of very sharp topaz crystals on a rhyolite matrix. They have very well defined faces and edges, are bright and transparent with inclusions, and are with two very sharp cubic Bixbyite crystals.
We will send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
Thomas Range, Juab County, Utah  USA

Specimen size: 2.4 × 2.3 × 1.9 cm = 0.9” × 0.9” × 0.7”

Main crystal size: 2 × 1 cm = 0.8” × 0.4”

EG86AG0: A very fine crystal on a rhyolite matrix. It is very sharp, with very well defined faces and edges, an excellent luster and very transparent.
Thomas Range, Juab County, Utah  USA (06/2017)

Specimen size: 8.5 × 6.7 × 4.4 cm = 3.3” × 2.6” × 1.7”

Main crystal size: 1.6 × 0.9 cm = 0.6” × 0.4”

EF91AI8: Two Topaz crystals on a rhyolite matrix, one of them clearly dominant. They have very well defined faces and edges and are transparent, very bright and with an intense color.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Topaz Mountain, Thomas Range, Juab County, Utah  USA

Specimen size: 10.8 × 7.8 × 4.3 cm = 4.3” × 3.1” × 1.7”

Main crystal size: 3.1 × 1.5 cm = 1.2” × 0.6”

NC87AI3: Single doubly terminated Beryl (bixbite variety) crystal with very well defined faces and edges and perfect terminal faces. It is translucent and has an intense color. An American classic of high quality
The sample is from the Ignacio Hernández collection (num. 26) whose original label we’ll send to the buyer.
Ruby Violet Claims, Wah Wah Mountains, Beaver County, Utah  USA

Specimen size: 4.4 × 4.1 × 2.6 cm = 1.7” × 1.6” × 1.0”

Main crystal size: 1.4 × 0.4 cm = 0.6” × 0.2”

TD89Y3: Multiple twin of very sharp prismatic crystals. They are red, have an intense luster and are on a chloritic matrix. The sample is of great quality for the locality, relatively unknown for most collectors.
The piece is from the Eric Greene collection, whose label we’ll send to the buyer.
Davis Farm, Bethel, Windsor County, Vermont  USA

Specimen size: 6.5 × 5 × 3.8 cm = 2.6” × 2.0” × 1.5”

Main crystal size: 2 × 0.5 cm = 0.8” × 0.2”

TK1V2: Parallel growths of dodecahedral crystals with a deep honey color, bright and transparent. The color is darker than usual due to the size of the crystals which are unusually large for the locality, one of the great worldwide classics for the species.
The sample was in the collection of John Lindell, whose label we’ll send to the buyer.
"Mud Bunny" pocket, Vesper Peak, Sultan Basin, Sultan District, Snohomish County, Washington  USA (1981)

Specimen size: 8.7 × 6.5 × 5 cm = 3.4” × 2.6” × 2.0”

Main crystal size: 2.1 × 1.4 cm = 0.8” × 0.6”

AM96S9: Good sample, very representative of the material from the Flambeau Mine, a classic for the species. The crystals, on matrix, are sharp and have very well defined faces and edges, showing the metallic bluing characteristic of the samples from this mine.
Flambeau Mine, 1000 level, Ladysmith, Rusk County, Wisconsin  USA (1994)

Specimen size: 6.3 × 5.4 × 3.8 cm = 2.5” × 2.1” × 1.5”

Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”