Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $150.00
- Locality
- Jote mine, Pampa Larga dist., Tierra Amarilla, Copiapó, Atacama, Chile
- Formula
- Ca5Al2(AsO4)4(OH)4 12H2O
- Size
- 3 x 3 x 2.5 cm - Thumbnail
- Tagged
- arsenate
- Special Info
- Type & Only Locality
Tiny, less than 1mm, colorless crystal plates of Tapiaite with bluish green Rruffite. Very rare.
- Availability
- Sold
- Locality
- Poorman mine, Boulder Co., Colorado, United States
- Formula
- Te
- Size
- 4 x 4.5 x 1.5 cm - Miniature
- Tagged
- native element
Metallic crystalline Tellurium mineralization which appears to occur along bedding planes. It's a nice specimen with rich content.
- Availability
- Sold
- Locality
- Gold Hill mine, Tooele Co., Utah, United States
- Formula
- Cu12As4S13
- Size
- 6.5 x 5 x 4 cm - Sm Cabinet
- Tagged
- copper, sulfides
Massive Tennantite covering a 4x2cm area in Quartz with plates of bluish green Tyrolite.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Terlingua dist., Brewster Co., Texas, United States
- Formula
- Hg2OCl
- Size
- 7 x 5 x 2.5 cm - Sm Cabinet
- Tagged
- Ore Minerals
Mercury has not been mined in the USA since 1992 when the McDermitt mine in Nevada closed. It is now only produced as a by-product from gold-silver mines. Nonetheless, the USA is the leading exporter of mercury since it is still produced through secondary recovery programs and recycling. A 76 pound mercury "flask" averaged $550-650 in 2008 (USGS). At one time the USA had many mines namely in California. Terlingua, Texas had producing mercury mines. Terlinguaite, like this specimen, was a chief ore at Terlingua. This is an old Carleton Davis specimen with tag.
- Availability
- Available
- Price
- $35.00
- Featured
- Featured in Special Editions
- Locality
- Turii alkaline Massif, Kola Peninsula, Russia
- Formula
- KMg3(Fe3+Si3O10)(OH,F)2
- Size
- Chip < 1cm
Tiny reddish plates in Quartz. Positively identified by Dr. Igor Pekov.
Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahderal with Mg, some substitutions for of Fe3+ for silicon at the (T) positions and OH>F at (A) otherwise would be Fluorotetraferriphlogopite.
Found in ultrabasic alkaline massif of Kovdor.
- Availability
- Available
- Price
- $125.00
- Locality
- Julcani mine, Julcani dist., Huancavelica dept., Peru
- Formula
- Cu12Sb4S13
- Size
- 8 x 8 x 2.5 cm - Sm Cabinet
- Tagged
- sulfide, copper
Full tetrahedrons of Tetrahedrite crystals to 6mm. Most of the crystals are "merged" or stack upon each other. The backside is full of Pyrite crystals,
