Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- O'Brien mine, Cobalt, Ontario, Canada
- Formula
- Ag2S
- Size
- Cabinet 11x5x0.4cm
- Tagged
- sulfide , silver
- Special Info
- Antique Specimen
The specimen is mostly a solid leaf of Silver with a coating of Acanthite. This has good provenance with an old inked label stuck on the specimen and dated 1980. With it is a nice large label from the "Department of Mines Geological Survey" of Canada with a number matching the specimen (7720). Documentation of a specimen's history does not get better than this.
- Availability
- Sold
- Locality
- Mexican mine, Comstock Lode, Storey Co., Nevada, United States
- Formula
- Ag2S
- Size
- SmCabinet 6x5.5x5cm
- Tagged
- sulfide , silver
Really not much of a specimen as far as silver goes. But the specimen shows pervasive Silver crystal grains throughout the specimen with other sulfides, namely Acanthite. Both are in 1mm and less grains throughout the grey mass with a Quartz vein. The stuck on label gives good provenance, and any serious Nevada or mining history collector should have this in their collection.
- Availability
- Sold
- Locality
- Schneeberg dist., Erzgebirge, Saxony, Germany
- Formula
- Ag2S
- Size
- SmCabinet 7x7x5cm
- Tagged
- sulfide , silver
Cabinet size specimen with a large cavity filled with 1-4mm steely grey Acanthite crystals in abundance with good Calcite crystals. Excellent specimen from this classic German locality.
- Availability
- Sold
- Locality
- Bulldog mine, Creede dist., Mineral Co., Colorado, United States
- Formula
- Ag2S
- Size
- SmCabinet 6x8x0.7cm
- Tagged
- sulfide , silver
An excellent specimen showing ore genesis of vein filling and replacements of grey Acanthite in zones with Silver replacements of a former unknown, possibly Barite. In the photos it is interesting to see the crowning of Silver along these former crystals.
- Availability
- Sold
- Locality
- Standard Metals mine, Silverton, San Juan Co., Colorado, United States
- Formula
- Ag2S
- Size
- SmCabinet 6.5x6x6cm
- Tagged
- sulfide , silver
Quartz vein with in-filling of grey Acanthite throughout but intimately associated with Sphalerite and Galena. A good representative and study specimen from this locality.
- Availability
- Sold
- Locality
- Keeley-Frontier mine, Cobalt dist., Ontario, Canada
- Formula
- Ag2S
- Size
- Miniature 3.3x2.8x1.0cm
- Tagged
- sulfide , silver
Soft, sectile mass of Acanthite with many crude forms of cubic crystals. The cluster at the tip is 7mm across. The specimen comes from the historic cobalt/silver Keeley-Frontier mine located in one of the largest silver mining districts in the world. The mine produced an incredible 3.3 million pounds of cobalt and 19.1 million ounce of silver. There is associated Calcite in mass and as crystals, a clear indication that the specimen was never etched.
