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Acanthite : Ag2S | |
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Arizpe, Mun. de Arizpe, Sonora, Mexico Acanthite. Crystal 2 mm lenght Photo and Collection Christophe Boutry |
| © C.Boutry | Photo ID: 137687 View Count: 161 |
Acanthite : Ag2S | |
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Chispas Mine (Pedrazzini mine), Arizpe, Mun. de Arizpe, Sonora, Mexico Acanthite. World class acanthite specimen. Scale at bottom of image is one inch with a rule at one cm. |
| Photo ID: 216115 View Count: 71 | |
Acanthite : Ag2S | |
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Chispas Mine (Pedrazzini mine), Arizpe, Mun. de Arizpe, Sonora, Mexico Typical acanthite from Arizpe, overall specimen height is 3 cm. Vaux specimen, donated to Bryn Mawr; obtained by Rock Currier, sold to Gene Schlepp. Terry Wallace acquired in 1993. Wendell Wilson Photo. |
| Photo ID: 217051 View Count: 67 | |
Acanthite : Ag2S | |
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Arizpe, Mun. de Arizpe, Sonora, Mexico Acanthite. Specimen from the Richard Gaines collection. Scale at bottom of image is an inch with a rule at one cm. |
| Photo ID: 216117 View Count: 61 | |
Acanthite : Ag2S | |
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Arizpe, Mun. de Arizpe, Sonora, Mexico 6.1cm high. Canadian Museum of Nature specimen, Michael Bainbridge photo. |
| © MJB, 2009 | Photo ID: 250853 View Count: 40 |
Acanthite : Ag2S | |
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Chispas Mine (Pedrazzini mine), Arizpe, Mun. de Arizpe, Sonora, Mexico 12 x 8 x 7 cm. It is hard to appreciate this piece, until held in the hand. It has such dimensionality, such geometry, that it looks man-made and like no other acanthite I have seen in nature. It is an order of magnitude more important and impressive than any other Mexican acanthite I have seen, excepting only the famous Houston Museum specimen. ... |
| © Rob Lavinsky | Photo ID: 266481 View Count: 19 |
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Chispas Mine (Pedrazzini mine), Arizpe, Mun. de Arizpe, Sonora, Mexico 2.2 x 2.1 x 1.7 cm. A superb and sharp hoppered Proustite crystal liberally coated on the outside with a very fine sparkly druse of metallic Chalcopyrite crystals. The Proustite is extremely gemmy, has a great luster, and its hoppered habit is fantastic. Ex. Charlie Key. |
| © Rob Lavinsky | Photo ID: 180884 View Count: 84 |
Polybasite : [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4] | |
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Arizpe, Mun. de Arizpe, Sonora, Mexico Excellent set of fat, thick, intergrown crystals with excellent luster and sharp, well-defined striations. Contacted along the bottom, and there is some attached matrix in the back. For a black mineral, it’s a beaut. For a polybasite, the crystals are incredibly stout and impressive! 3 x 2.2 x 2 cm |
| © Rob Lavinsky | Photo ID: 48311 View Count: 254 |
Polybasite : [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4] | |
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Chispas Mine (Pedrazzini mine), Arizpe, Mun. de Arizpe, Sonora, Mexico Choice miniature of Polybasite with Calcite accents! The Polybasite crystals are sharp, lustrous, and well situated on the matrix of Polybasite and Calcite. From the Chispas Mine, Arizpe, Sonora, Mexico. Measures 3.2 cm by 4.5 cm in size. Ex. Kevin Ward Collection |
| © www.exceptionalminerals.com | Photo ID: 154271 View Count: 138 |
Polybasite : [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4] | |
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Arizpe, Mun. de Arizpe, Sonora, Mexico Well crystallized examples of this mineral are never common. Arizpe is one of the best known localities for the species. The thumbnail example shown here is quite good, with metallic silver platy crystals to 7 mm in size set on a matrix of massive silver sulfides with colorless crystallized calcite. All of the prominent crystals are undamaged. ... |
| © Dan Weinrich | Photo ID: 135833 View Count: 114 |
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