Reference Specimens
USA

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Photos by Fabre Minerals. Under Creative Commons license

This page provides a selection of the specimens that have passed through the Fabre Minerals website and, due to their quality,
rarity, or significance as specimens from interesting locations, have been preserved as reference specimens in #MVM


MISSOURI


Calcite with Dolomite
Calcite with Dolomite. Front
Front
Calcite with Dolomite. Side
Side

Fluorescent light (daylight)
 

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”

With handwritten note from the Lluís Daunis Collection
Calcite with Dolomite and Chalcopyrite
 

TG68W7: Doubly terminated crystals showing curvatures on their faces and edges. They are translucent and have an intense lemon yellow color. On matrix, with small rhombohedral crystals of Dolomite and microcrystals of Chalcopyrite.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 11.8 × 10.3 × 9.3 cm = 4.65” × 4.06” × 3.66”

Main crystal size: 9 × 2.8 cm = 3.54” × 1.10”

Calcite with Dolomite and Chalcopyrite. Front
Front
Calcite with Dolomite and Chalcopyrite. Side
Side
Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite
Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite. Front
Front
Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite. Rear
Rear
Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite. Top
Top
 

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”

Galena
 

MB12AM7: Very sharp, lustrous Galena crystals on matrix. An American classic that we will send to the buyer 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.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

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

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”

Former collection of Bob Noble
Galena. Galena.
Galena with Dolomite and Chalcopyrite
Galena with Dolomite and Chalcopyrite. Front
Front
Galena with Dolomite and Chalcopyrite. Rear
Rear
Galena with Dolomite and Chalcopyrite. Top
Top
 

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”

Former collection of Carles Millan
Galena with Pyrite

Fluorescent light (daylight)
 

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”

Former collection of Michel Carré
Galena with Pyrite. Front
Front
Galena with Pyrite. Rear
Rear
Galena with Calcite, Chalcopyrite and Dolomite

Recorded under neon light

Recorded under neon light
 

MFR89CD3: Delicate group formed by very sharp cubic Galena crystals, with polycrystalline growths on the faces and deposited on a thin plate formed by a combination of Dolomite and very shiny Chalcopyrite crystals, in which there are translucent and lustrous Calcite crystals too, with a dominant elongated prism and apical rhombohedron terminations.
A nice combination of species for this classic American mine.
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 11.2 × 7.6 × 8.8 cm = 4.41” × 2.99” × 3.46”

Main crystal size: 2.7 × 2.6 cm = 1.06” × 1.02”

Galena with Chalcopyrite and Dolomite

Fluorescent light (daylight)
 

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”

Former collection of Claude Perraudin
Galena with Chalcopyrite and Dolomite. Front
Front
Galena with Chalcopyrite and Dolomite. Side
Side
Galena with Chalcopyrite and Dolomite.
Chalcopyrite
Chalcopyrite. Chalcopyrite.
 

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”

Former collection of Bob Noble
Calcite

Fluorescent light (daylight)
Calcite
 

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”

Calcite.
Calcite.
Galena on Pyrite
Galena on Pyrite. Front
Front
Galena on Pyrite. Side
Side
 

MF47E7: From a locality that used to be very productive (although it is no longer so) this one stands out from all the others found there for various reasons: the form of the crystal (slightly oblong and with small octahedral modification on the corners), all the faces are undamaged, the brilliance of the faces, and, above all, its great position on the matrix of botryoidal Pyrite. So while many Galenas have been found in the Tri-State district this one is special.
Joplin Field, Tri-State District, Jasper County, Missouri  USA

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

Main crystal size: 3 × 2.3 cm = 1.18” × 0.91”

Galena with Pyrite
 

TF76F6: A classic species, with the classic cuboctahedral form and from a classic locality. It started as a cube and then later on cuboctahedral forms grew on it, orientated to the cube. All of which makes the specimen especially attractive.
Joplin Field, Tri-State District, Jasper County, Missouri  USA

Specimen size: 5.5 × 4.5 × 3.5 cm = 2.17” × 1.77” × 1.38”

Galena with Pyrite. Front
Front
Galena with Pyrite. Side
Side

MONTANA


Gold with Quartz
Gold with Quartz. Front
Front
Gold with Quartz. Rear
Rear
Gold with Quartz.
 

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”

Weight: 9.5 grams
Microcline (Baveno twin)
 

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”

Fluorescent short UV

Former collection of Bob Noble
Microcline (Baveno twin). Microcline (Baveno twin).
Quartz with Muscovite inclusions
Quartz with Muscovite inclusions. Front
Front
Quartz with Muscovite inclusions. Side
Side
Quartz with Muscovite inclusions. Quartz with Muscovite inclusions.

Fluorescent light (daylight)
 

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”

Hemimorphite
 

MTB57CD3: Group of Hemimorphite crystals, in matrix, with a pearly luster and bluish staining, well terminated, with neat faces, associated with small groups of green crystals that, upon analysis, correspond to a copper silicate, most likely Chrysocolla.
This very old specimen comes from the Elkhorn mining area in Montana, which was operating from the late 19th century to the early 20th century, and from which not many crystallized specimens are known, and even fewer of good quality.
The specimen comes from the Moutet collection of Marseille and is accompanied by an old Deyrolle label (Paris) and has been analyzed. We will send a copy of the analysis to the buyer.
Elkhorn Mining District, Jefferson County, Montana  USA

Specimen size: 6.1 × 4 × 2.5 cm = 2.40” × 1.57” × 0.98”

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


Recorded under neon light

Recorded under neon light
Veszelyite with Quartz
Veszelyite with Quartz. Veszelyite with Quartz.
 

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”

Mimetite on Quartz

Fluorescent light (daylight)
 

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”

Fluorescent long & short UV
Mimetite on Quartz. Mimetite on Quartz.
Enargite
Enargite. Enargite.
 

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”

Former collection of Bob Noble
Enargite with Pyrite
 

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 = 2.40” × 2.09” × 1.85”

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

Enargite with Pyrite. Enargite with Pyrite.
Enargite with Pyrite.
Covellite with Pyrite
Covellite with Pyrite.

Fluorescent light (daylight)
 

EJY66AQ1: Group of very sharp Covellite crystals, with a hexagonal outline, aerial, very bright luster and an intense metallic blue color, on a Pyrite matrix.
The specimen comes from the Yvan Delqué collection (number 11), whose original box, which includes information, we will send to the buyer.
Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 2.7 × 2.7 × 2 cm = 1.06” × 1.06” × 0.79”

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

Former collection of Yvan Delqué
Covellite with Pyrite
Covellite with Pyrite  

TY86Q1: Leafy aggregates, very bright, of excellent color and on a matrix very rich in Pyrite. An American classic.
Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 4.8 × 3.9 × 2.5 cm = 1.89” × 1.54” × 0.98”

Covellite with Pyrite.
Rhodochrosite with Quartz and Pyrite

Recorded under neon light
 

EBB50CD5: Group of sharp Rhodochrosite crystals with a uniform pink color. On matrix, with small Pyrite coatings and Quartz crystals visible on the back of the piece. This specimen comes from Butte, Montana, a classic American locality from which it is currently very difficult to obtain specimens.
Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 8 × 5.7 × 4.4 cm = 3.15” × 2.24” × 1.73”

Main crystal size: 1.5 × 1 cm = 0.59” × 0.39”

Former collection of Patty Gaspari-Bridges
Rhodochrosite
Rhodochrosite  

TC87G0: A fine group of subparallel growths of rhombohedral crystals with sharp edges and a soft and uniform pink color, with a little covering of Pyrite. The specimen is from Butte, a classic locality from which, actually, it is now very difficult to obtain good samples.
It comes with a label from Shaw's Mojave Desert Gem and Mineral Shop, Yermo, California.
Butte, Butte District, Silver Bow County, Montana  USA

Specimen size: 8.2 × 6 × 2.8 cm = 3.23” × 2.36” × 1.10”

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

Rhodochrosite.
Rhodochrosite.
Rhodochrosite with Pyrite
Rhodochrosite with Pyrite. Rhodochrosite with Pyrite.
 

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”


NEVADA


Hydrozincite with Plattnerite
 

T26CJ1: A very esthetic botryoidal aggregate, in which Hydrozincite also forms thin acicular crystals, which are rare. There are small black Plattnerite crystals spread on the specimen. The sample has an intense fluorescence under a violet light.
Yellow Pine Mine, 900 level, Goodsprings, Goodsprings District, Clark County, Nevada  USA (8-11/1996)

Specimen size: 14.5 × 7.5 × 6.5 cm = 5.71” × 2.95” × 2.56”

Intense fluorescence long & short UV
Hydrozincite with Plattnerite. Hydrozincite with Plattnerite.
Baryte
Baryte.
 

AG66Q1: Group on matrix of tabular crystals. They are bright and very transparent, intense yellow color with geometrical zoning. Another American classic.
Meikle Mine, Bootstrap District, Elko County, Nevada  USA (1998)

Specimen size: 3.4 × 2.5 × 3.7 cm = 1.34” × 0.98” × 1.46”

Main crystal size: 1.3 × 1.2 cm = 0.51” × 0.47”

Baryte on Calcite
 

TB97F2: A splendid group of tabular Baryte crystals, which are very transparent, lemon yellow with hints of orange, and which contrast very well with the matrix of lenticular yellowish Calcite. A really special specimen.
Meikle Mine, Bootstrap District, Elko County, Nevada  USA (2003)

Specimen size: 11.5 × 8 × 5 cm = 4.53” × 3.15” × 1.97”

Main crystal size: 3 × 2 cm = 1.18” × 0.79”

Minor fluorescence long & short UV
Baryte on Calcite. Baryte on Calcite.
Baryte
Baryte. Baryte.
Baryte.
 

T90BAC9: Aggregate of tabular crystals on matrix. The crystals have very well defined faces and edges and are transparent and bright, with a vivid golden yellow color. The sample, a classic for an American Baryte, is from a one-time find in the mine, a find that, unfortunately, hasn’t been repeated.
Meikle Mine, Bootstrap District, Elko County, Nevada  USA (1998)

Specimen size: 12.5 × 6.3 × 7.3 cm = 4.92” × 2.48” × 2.87”

Main crystal size: 5.7 × 3.8 cm = 2.24” × 1.50”

Baryte
 

T14FI7: Excellent and esthetic group of prismatic honey-yellow crystals. The luster and transparency varies, depending on the faces, between extraordinary on most of them to greasy or matte on others. In spite of the color and luster which resembles Baryte from the famous Meikle mine, this is from a different mine very near to the Meikle mine in which specimens of such quality are very scarce.
Dee Mine, main decline, Bootstrap District, Elko County, Nevada  USA (2000)

Specimen size: 14.5 × 12 × 6 cm = 5.71” × 4.72” × 2.36”

Main crystal size: 2.5 × 1.2 cm = 0.98” × 0.47”

Intense zoned fluorescence long & short UV
Baryte.
Baryte.
Fluorite
Fluorite.
 

TM56Z9: Botryoidal aggregate of translucent clear lilac-colored Fluorite on matrix. This shape is uncommon for Fluorite.
Blue Ribbon - Boyce Mine, Aura District, Elko County, Nevada  USA

Specimen size: 8.6 × 5.4 × 3.3 cm = 3.39” × 2.13” × 1.30”

Stibnite
Stibnite  

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”

Former collection of Bill Williams
Stibnite. Stibnite.
Galkhaite with Galena
Galkhaite with Galena. Galkhaite with Galena.
 

TR89AE8: Galkhaite is a very rare sulphosalt. The crystals on the sample, with a good size for the species, are cubic, with small octahedron faces, quite well defined, bright and on matrix, with Galena and Pyrite.
Twin Creeks Mine, Potosi District, Osgood Mountains, Humboldt County, Nevada  USA (1999)

Specimen size: 4.6 × 2.9 × 2.7 cm = 1.81” × 1.14” × 1.06”

Pottsite and Clinobisvanite
 

T87RS4: 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, Austin, Lander County, Nevada  USA (±2000)

Specimen size: 2.7 × 2.1 × 1.4 cm = 1.06” × 0.83” × 0.55”

Type locality

Clinobisvanite fluorescent short UV
Pottsite and Clinobisvanite.
Gold
Gold. Front
Front
Gold. Rear
Rear
 

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”

Weight: 6.9 grams
Gold
 

TF3AK5: Flattened parallel aggregate of very well defined rhombododecahedral crystals and triangular growth shapes that correspond to octahedron faces. In the words of Bob Noble on his label: “spinel twin structure“. This very aesthetic specimen is of high quality and comes from a classic American locality for the species.
The specimen will be sent in Bob Noble‘s original Perky box, which also contains the label.
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada  USA

Specimen size: 3 × 1.6 × 0.3 cm = 1.18” × 0.63” × 0.12”

Former collection of Bob Noble

Weight: 4.5 grams
Gold. Gold.
Gold on Quartz
Gold on Quartz. Front
Front
Gold on Quartz. Rear
Rear
Gold on Quartz.
 

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 = 1.46” × 1.06” × 0.47”

Main crystal size: 1 × 0.2 cm = 0.39” × 0.08”

Gold
 

TJ96S3: Very rich dendritic growths, on matrix, of sharp elongated cubic and octahedral crystals with perfect terminations and very well defined faces and edges.
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada  USA (2007)

Specimen size: 3.7 × 2.8 × 1.7 cm = 1.46” × 1.10” × 0.67”

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

Gold. Gold.
Gold on Quartz
Gold on Quartz. Gold on Quartz.
 

T99FH5: The sample is from a very unusual locality. On a matrix of Quartz, the Gold made blades of parallel, very stylized, crystals forming wall type growths. (Winnemucca)
Lizard Ridge Mine, Ten Mile District, Humboldt County, Nevada  USA (08/1995)

Specimen size: 5.6 × 4.9 × 3 cm = 2.20” × 1.93” × 1.18”

Chalcophyllite
 

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”

Former collection of Bob Noble
Chalcophyllite. Chalcophyllite.
Clinoclase with Cornwallite and Parnauite
Clinoclase with Cornwallite and Parnauite. Clinoclase with Cornwallite and Parnauite.
 

LX26F0: A sample with lots of brilliant small crystals of Clinoclase, typical of the species. To add to this there are concretions of the rare arsenate Parnauite, which is a lighter green color. This comes from the David Lucas collection; number 575 and we will give the buyer David’s label.
Majuba Hill Mine, Antelope District, Pershing County, Nevada  USA

Specimen size: 7.5 × 7.2 × 5.2 cm = 2.95” × 2.83” × 2.05”

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

Baryte
 

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”

Former collection of Bob Noble
Baryte. Front
Front
Baryte. Top
Top
Baryte. Side
Side
Fluellite with Wavellite
Fluellite with Wavellite. Fluellite with Wavellite.
 

E61A: Fluellite its a rare mineral that is only found in millimetre sized crystals. Its color is usually white, so we cannot expect great beauty for this mineral. In this case the Wavellite helps by adding contrast and giving some esthetics to this rare mineral which is hard to find it in good specimens.
Willard Mine, Willard District, Pershing County, Nevada  USA (1999)

Specimen size: 5.5 × 5.5 cm = 2.17” × 2.17”

Gold (variety electrum)
 

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 = 0.67” × 0.51” × 0.39”

Weight: 1.3 grams
Gold (variety electrum). Front
Front
Gold (variety electrum). Side
Side
Gold (variety electrum)
Gold (variety electrum).
Gold (variety electrum)  

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”

Weight: 0.8 grams
Gold (variety electrum)
 

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”

Weight: 1.8 grams
Gold (variety electrum). Front
Front
Gold (variety electrum). Rear
Rear
Gold (variety electrum)
Gold (variety electrum).
 

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”

Weight: 2.0 grams
Gold (variety electrum)
 

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”

Weight: 1.9 gram
Gold (variety electrum). Front
Front
Gold (variety electrum). Rear
Rear
Gold (variety electrum)
Gold (variety electrum). Gold (variety electrum).
 

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”

Weight: 3.6 grams
Gold (variety electrum)
 

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”

With analysis copy

Weight: 3.8 grams
Gold (variety electrum). Front
Front
Gold (variety electrum). Rear
Rear
Miargyrite
Miargyrite. Miargyrite.
 

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”

Sceptered smoky Quartz
 

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 = 5.20” × 1.57” × 1.57”

Sceptered smoky Quartz. Front
Front
Sceptered smoky Quartz. Rear
Rear
Gold with Quartz
Gold with Quartz. Front
Front
Gold with Quartz. Rear
Rear
Gold with Quartz. Detail
Detail

Fluorescent light (daylight)
 

MMA32AP3: Mossy aggregate of acicular Gold crystals, very lustrous, on matrix with small white Quartz crystals. The specimen comes from a French collector who acquired it from a well-known American supplier, whose very detailed information we will send to the buyer.
Olinghouse, Olinghouse mining district, Pah Rah Range, Washoe County, Nevada  USA

Specimen size: 2.8 × 1.3 × 1 cm = 1.10” × 0.51” × 0.39”

Sulphur
 

TFF12AN3: Elongated Sulphur crystal with very sharp crystal forms, with polycrystalline and hopper growths, translucent, with bright luster and an intense yellow color.
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 Wilfred Talbot collection.
Steamboat Hot Springs, Steamboat, Steamboat Springs District, Washoe County, Nevada  USA

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

Former collection of Bob Noble
Sulphur. Sulphur.
Almandine with Quartz
Almandine with Quartz.
Almandine with Quartz.
 

TG12K2: Group of two very bright trapezohedrons with very sharp faces and edges in a vug with small crystals of Quartz. The dark color of the Almandine contrasts strongly with the slightly pinkish rhyolite matrix.
Garnet Hill, Ely, Robinson District, White Pine County, Nevada  USA (2006)

Specimen size: 8.3 × 5.8 × 3.5 cm = 3.27” × 2.28” × 1.38”

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

Cinnabar with Quartz
Cinnabar with Quartz  

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. With label from Scott J. Williams
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”

With label Scott J. Williams
Cinnabar with Quartz. Cinnabar with Quartz.

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