Mineral Specimens - page 1
USA

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”

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”

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”

TF48AL1: Very 3-dimensional growth of Malachite pseudomorphing equidimensional crystals of Azurite, with very well defined faces and edges, intense color, on matrix. Before the Azurite started altering to Malachite a thin dark coating, probably Cuprite, formed on the faces of the crystals, as suggested by the mineralogy of the locality and some of the crystalline forms, apparently octahedral, present in the matrix.
This great quality piece comes from the collection of Rock H. Currier (No. 4667) whose label we will send to the buyer.
The specimen is from the Ignacio Gaspar Sintes collection, whose label we will send to the buyer.
The specimen has been reviewed, photographed and published in the Russian magazine ‘Mineral Observer’ on page 64 in the volume 25, number 2
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA

Specimen size: 7.7 × 5.2 × 4.9 cm = 3.03” × 2.05” × 1.93”

Main crystal size: 3.2 × 2.5 cm = 1.26” × 0.98”

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”

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”

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”

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”

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”

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 = 2.68” × 2.32” × 1.89”

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

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 = 3.35” × 2.36” × 1.50”

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

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”

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”

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”

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”

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 = 3.70” × 1.73” × 1.06”

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

T76CAK3: Groups of Andradite crystals (topazolite variety) dominated by the rhombohedron, along with cube and trapezohedron faces, transparent, very lustrous and a uniform honey-yellow. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 9.4 × 4.7 × 2.7 cm = 3.70” × 1.85” × 1.06”

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

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”

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”

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”

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 “Bunk” 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”

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 = 3.19” × 2.76” × 1.42”

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

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”

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”

TT68AK9: Aerial group of sharp crystals, some of them doubly terminated, with slight curvatures on faces and edges, of considerable size for the locality, very bright and orange.
We will send the specimen in the original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it came from the Sullivan collection, with an entry for Tucson 1997
Bunker Hill Mine, Bunker Hill properties, Kellogg, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 3.2 × 2.1 × 1.7 cm = 1.26” × 0.83” × 0.67”

Main crystal size: 1 × 0.7 cm = 0.39” × 0.28”

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 = 2.01” × 1.46” × 1.69”

Main crystal size: 2.8 × 1.8 cm = 1.10” × 0.71”

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”

EV27AM5: Group of very sharp crystals, between transparent and translucent, shiny and with geometric color zoning marked by the contrast between the yellow in most of the crystal and the intense and deep violet in the edges. A classic from the USA.
Annabel Lee Mine, Harris Creek Sub-District, Hardin County, Illinois  USA

Specimen size: 4.6 × 4.3 × 3.6 cm = 1.81” × 1.69” × 1.42”

Main crystal size: 4.4 × 4.1 cm = 1.73” × 1.61”

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”

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”

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”

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”

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 = 1.30” × 1.22” × 0.59”

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”

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”

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 = 1.06” × 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”

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”

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”

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”

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”

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”

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”

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 = 2.17” × 1.42” × 1.61”

Main crystal size: 0.9 × 0.7 cm = 0.35” × 0.28”

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 = 4.25” × 2.72” × 2.13”

Main crystal size: 1.1 × 0.9 cm = 0.43” × 0.35”

TT47AL3: Equidimensional Fluorapophyllite-(K) crystals, one of them clearly dominant, with an apparently cubic habit, with very well defined faces and edges, translucent white, on matrix, with Quartz and small white botryoidal aggregates of Prehnite. The specimen comes from a classic American locality for the species.
Paterson, Passaic County, New Jersey  USA (±1930)

Specimen size: 6.5 × 5 × 3.2 cm = 2.56” × 1.97” × 1.26”

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

HB47AM5: Druse, on matrix, of sharp, translucent octahedral crystals with an intense and uniform violet color.
Pine Canyon deposit, West Burro Mountains, Burro Mountains District, Grant County, New Mexico  USA

Specimen size: 16 × 12.2 × 4.4 cm = 6.30” × 4.80” × 1.73”

Main crystal size: 1.6 × 1.5 cm = 0.63” × 0.59”

EA90AL5: Botryoidal growths of translucent Smithsonite, of an intense greenish-blue color, on a botryoidal limonite matrix covered with light green Aurichalcite microcrystals.
The specimen comes from the Doug Toland collection, whose label we will send to the buyer.
Kelly Mine, Magdalena, Magdalena District, Socorro County, New Mexico  USA

Specimen size: 4.9 × 4.8 × 3.4 cm = 1.93” × 1.89” × 1.34”

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 = 2.01” × 1.89” × 1.18”

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 = 2.09” × 1.69” × 1.46”

Main crystal size: 0.5 × 0.2 cm = 0.20” × 0.08”

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 = 1.93” × 1.46” × 1.14”

TX14AL2: A novelty at Tucson 2020. Group of three doubly terminated Tremolite crystals, with very well defined faces and edges. The crystals, with a little white Dolomite matrix, have an intense luster between vitreous and silky, are much more transparent than usual in specimens from this area and are green-gray with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 1.6 × 1.4 × 0.8 cm = 0.63” × 0.55” × 0.31”

TV46AL2: A novelty at Tucson 2020. Tremolite crystal, on a Dolomite matrix, with very well defined faces and edges, with a polycrystalline termination, an intense luster between vitreous and silky, translucent, but with greater transparency than usual in specimens from this area and of green-gray color with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 7 × 2.1 × 1.8 cm = 2.76” × 0.83” × 0.71”

TC86AL6: A novelty at Tucson 2020. Elongated Tremolite crystals, one of them clearly dominant, on a Dolomite matrix, with marked scepter growth. They have very well defined faces and edges, good terminal faces and an intense luster between crystalline and silky. It exhibits greater transparency than usual in specimens from this area and a beautiful gray-green color with bluish tints. From a recent find, the quality is also far superior to what is generally known from the St. Lawrence County area.
The crystal was reinforced, already at origin, in two spots on the prism to avoid its possible separation.

Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 15.7 × 6.5 × 4 cm = 6.18” × 2.56” × 1.57”

Main crystal size: 15.7 × 2.3 cm = 6.18” × 0.91”

HB67AM5: Complete floater group of tabular Baryte crystal growths with sand inclusions (variety baryte rose). An excellent USA classic which is rarely seen anymore nowadays.
Slaughterville, Cleveland County, Oklahoma  USA

Specimen size: 12.9 × 11 × 8 cm = 5.08” × 4.33” × 3.15”

AF11AM3: Group of disphenoidal crystals (pseudotetrahedral) of Chalcopyrite, with sharp crystal forms. On a Magnetite matrix with octahedral crystals of Magnetite.
French Creek Mines, St. Peters, Warwick Township, Chester County, Pennsylvania  USA

Specimen size: 4.4 × 3.2 × 2.3 cm = 1.73” × 1.26” × 0.91”

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

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 = 2.95” × 2.87” × 2.95”

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 = 2.13” × 2.13” × 0.94”

Main crystal size: 1.9 × 1.6 cm = 0.75” × 0.63”

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 = 3.11” × 2.91” × 1.73”

Main crystal size: 0.9 × 0.8 cm = 0.35” × 0.31”

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 = 3.35” × 2.64” × 1.73”

Main crystal size: 1.6 × 0.9 cm = 0.63” × 0.35”

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 = 4.25” × 3.07” × 1.69”

Main crystal size: 3.1 × 1.5 cm = 1.22” × 0.59”

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 = 2.56” × 1.97” × 1.50”

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

EE89AL3: Group of Quartz crystals (variety amethyst) transparent and bright. The color is selectively distributed, with the prism faces being practically colorless, slightly reddish colors on the pyramidal faces, and intense violet concentrated mainly around the terminal edges. The specimen comes from a classic American locality.
North Bend, King County, Washington  USA

Specimen size: 7.8 × 6.1 × 4.6 cm = 3.07” × 2.40” × 1.81”

Main crystal size: 4.7 × 2.4 cm = 1.85” × 0.94”

TF46AM5: Group of tabular crystals very rich in crystal forms, transparent, lustrous and with a vivid and uniform sky-blue color. The specimen is from a locality from which few quality specimens are known.
Shirley Basin, Medicine Bow, Shirley Basin District, Carbon County, Wyoming  USA

Specimen size: 5.4 × 4.4 × 3.4 cm = 2.13” × 1.73” × 1.34”

Main crystal size: 2.1 × 1.5 cm = 0.83” × 0.59”