Mineral Specimens with Calaverite

  -  12 specimens selected

MD-169948 - Calaverite - - Archived
Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA
small cabinet, 6.6 x 5.5 x 2.2 cm.
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Calaverite from Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-169948a.jpg]

6.6 x 5.5 x 2.2 cm. This is an unusually large plate of rare Calaverite (gold telluride) crystals from the classic Cripple Creek district, which hit its heyday over 100 years ago. Interestingly, you can see bands of silver ore running through the matrix, too! This is an extremely rich plate of large size and with MANY eye-visible crystals (to 3-4mm) and veins shooting through. The crystals are, many of them, freestanding in a protected seam along the face.

MD-174246 - Calaverite, Fluorite - - Archived
Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA
miniature, 3.7 x 2.7 x 2.6 cm.
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Calaverite, Fluorite from Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-174246a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite, Fluorite from Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-174246b.jpg]

3.7 x 2.7 x 2.6 cm. An unusually attractive small miniature with very bright calaverite, both massive and crystallized, mixed with massive purple fluorite. The freestanding calaverite is 2.5 mm. The cluster of aggregate crystals is about 1 cm across. Ex. Rice Northwest Museum Collection.

MD-174248 - Calaverite, Quartz - - Archived
Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA
cabinet, 9.6 x 5.6 x 3.9 cm.
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Calaverite, Quartz from Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-174248a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite, Quartz from Doctor Mine (Jackpot Mine), Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-174248b.jpg]

9.6 x 5.6 x 3.9 cm. An unusually attractive specimen with very metallic calaverite crystals laying flat amongst rolling quartz druse, and so not etched or cleaved out of surrounding matrix as you usually see for this material. Rather, the natural matrix surface is the host for embedded calaverite crystals of unusual thick and platy form, looking more solid and robust like andorite than normal wispy calaverite! The cluster of aggregate crystals is about 1.4 x 1 cm across. Ex. Rice Northwest Museum Collection.

MD-214666 - Calaverite - - Archived
Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA
small cabinet, 6 x 5 x 3.5 cm.
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Calaverite from Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-214666a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite from Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-214666b.jpg]

6 x 5 x 3.5 cm. Calaverite is a very rare crystallized gold telluride species, found in good crystals over 1mm in only a relatively few locations. The most classic old US locality for the species is from the silver and gold mines in Cripple Creek, Colorado (late 1800s and early 1900s). Most available specimens come from old collections and museum deaccessions. This is a very rich specimen for sheer quantity of platy calaverite crystals embedded in the matrix, showing brilliant metallic flashes from all sides of the specimen. Many of the embedded crystals reach 1 cm, some clusters more so. This came from Harvard via exchange to Phil Scalisi to George Elling, though no label accompanies the piece.

MD-219105 - Melonite, Calaverite - - Archived
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA
thumbnail, 1.3 x 0.9 x 0.4 cm.
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Melonite, Calaverite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-219105a.jpg]

1.3 x 0.9 x 0.4 cm. Melonite is an uncommon nickel telluride. This fine thumbnail from the Cresson Mine at Cripple Creek features at rich plate of melonite pseudomorphing calaverite (gold telluride) crystals and is very nicely accented by a small rosette of quartz crystals. The melonite rests on a thin crust of tiny quartz crystals. Highly representative of the species and historic locale. Probably very old material, too.

MD-255187 - Calaverite - - Archived
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA
thumbnail, 2.6 x 2.1 x 1.1 cm.
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Calaverite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-255187a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-255187b.jpg]

2.6 x 2.1 x 1.1 cm. The Cripple Creek District in Colorado was one of the most prolific telluride producing mining districts in the United States. Telluride species from this area are highly sought after by collectors, and it is well justified as some superb examples are known from the various mines in the area. This specimen is loaded with fantastic, sharp, highly splendent, tabular, striated, monoclinic crystals of the rare Gold Telluride, Calaverite which have a bronzy hue and are sitting against frosted grey Quartz crystal matrix. The largest Calaverite crystal measures a full 9 mm in length which is great for the species and the locality. These specimens are very difficult to obtain, and considering that the majority of them were mined over 100 years ago, the only source for specimens is old collections. Ex. Richard Kosnar Collection.

MD-258680 - Calaverite, Fluorite - - Archived
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA
miniature, 3.3 x 2.4 x 2.1 cm.
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Calaverite, Fluorite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-258680a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite, Fluorite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-258680b.jpg]

3.3 x 2.4 x 2.1 cm. The Cripple Creek District in Colorado was one of the most prolific Telluride producing mining districts in the United States. Telluride species from this area are highly sought after by collectors, and it is well justified as some superb examples are known from the various mines in the area. This specimen hosts a few excellent, sharp, highly splendent, tabular, striated, monoclinic crystals of the rare Gold Telluride, Calaverite which have a bronzy hue. The crystals have a classic association (for this mine) of purple Fluorite and are sitting against frosted grey Quartz crystal matrix. The largest Calaverite crystal measures a few mm in length which is typical for the species and the locality. These specimens are very difficult to obtain, and considering that the majority of them were mined over 100 years ago, the only source for specimens is old collections. Ex. Richard Kosnar Collection.

MD-273367 - Calaverite, Fluorite - - Archived
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA
miniature, 4.3 x 3.7 x 3.2 cm.
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Calaverite, Fluorite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-273367a.jpg]
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Calaverite, Fluorite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-273367b.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite, Fluorite from Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-273367c.jpg]

4.3 x 3.7 x 3.2 cm. The Cripple Creek District in Colorado was one of the most prolific Telluride producing mining districts in the United States. Telluride species from this area are highly sought after by collectors, and it is well justified as some superb examples are known from the various mines in the area. This specimen hosts a few small, excellent quality sharp, lustrous, tabular, striated, monoclinic crystals of the rare Gold Telluride, Calaverite which have a bronzy hue. The crystals have a classic association (for this mine) of purple Fluorite and are sitting against grey Quartz matrix on matrix. The largest Calaverite crystal measures a few mm in length which is typical for the species and the locality, but an association with purple Fluorite is not typical. These specimens are very difficult to obtain, and considering that the majority of them were mined over 100 years ago, the only source for specimens is old collections. Ex. Richard Kosnar Collection.

RARE08-50 - Calaverite - SOLD
Cripple Creek, Colorado, USA
small cabinet, 6.6 x 5.5 x 2.2 cm
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Calaverite from Cripple Creek, Colorado, USA [db_pics/pics/rare08-50a.jpg]
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Calaverite from Cripple Creek, Colorado, USA [db_pics/pics/rare08-50b.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite from Cripple Creek, Colorado, USA [db_pics/pics/rare08-50c.jpg]

This is an unusually large plate of rare Calaverite (gold telluride) crystals from the classic Cripple Creek district, which hit its heyday over 100 years ago. Interestingly, you can see bands of silver ore running htrough the matrix, too! This is an extremely rich plate of large size and with MANY eye-visible crystals (to 3-4mm) and veins shooting through. The crystals are , many of them, freestanding in a protected seam along the face (a good indication that this is not sylvanite, which tends to be both more reticulated in habit and more embedded in matrix). It came to me from a museum deaccession.

RICE-18 - Calaverite with Fluorite - SOLD
Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA
miniature, 3.7 x 2.7 x 2.6 cm
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ex.  Rice Northwest Museum

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Calaverite with Fluorite from Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA [db_pics/pics/rice-18a.jpg]
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Calaverite with Fluorite from Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA [db_pics/pics/rice-18b.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite with Fluorite from Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA [db_pics/pics/rice-18c.jpg]

An unusually attractive small miniature with very bright calaverite , both massive and crystallized, mixed with massive purple fluorite. The freestanding calaverite is 2.5 mm. The cluster of aggregate crystals is about 1 cm across. RARE WITH MINE ATTRIBUTION on old Schortmann's label and on museum label!

RICE-24 - Calaverite on Quartz - SOLD
Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA
small cabinet, 9.6 x 5.6 x 3.9 cm
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ex.  Rice Northwest Museum

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Calaverite on Quartz from Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA [db_pics/pics/rice-24a.jpg]		CLICK HERE FOR LARGER IMAGE:
Calaverite on Quartz from Doctor Jackpot Mine, Ravine Hill, Cripple Creek, Teller Co., Colorado, USA [db_pics/pics/rice-24b.jpg]

An unusually attractive specimen with very metallic calaverite crystals laying flat amongst rolling quartz druse, and so not etched or cleaved out of surrounding matrix as you usually see for this material. Rather, the natural matrix surface is the host for embedded calaverite crystals of unusual thick and platy form, looking more solid and robust like andorite than normal wispy calaverite! The cluster of aggregate crystals is about 1.4 x 1 cm across. RARE WITH MINE ATTRIBUTION on old Ward's Science Establishment label!

T07-83 - Gold ps. Calaverite - SOLD
Golden Mine Mines, Kalgoorlie, Australia
small cabinet, 7.3 x 6.4 x 0.7 cm
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Gold ps. Calaverite from Golden Mine Mines, Kalgoorlie, Australia [db_pics/pics/t07-83a.jpg]		CLICK HERE FOR LARGER IMAGE:
Gold ps. Calaverite from Golden Mine Mines, Kalgoorlie, Australia [db_pics/pics/t07-83b.jpg]

A rich slab of matrix rock hosting veins of brilliant gold that has replaced rich calaverite which was there previously. VERY RARE material, and one of the few I have ever seen for sale.


  -  12 specimens selected


Rob Lavinsky, rob@irocks.com

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