Rare Mineral Specimens - search page
SOLD
- Availability
- Sold
- Locality
- Seneca mine, Mohawk, Keweenaw Co., Michigan, United States
- Formula
- Cu1-xAsx; x = 1/7
- Size
- 5 x 4 x 3.5 cm - Miniature
Rich waterworn nugget of this rare copper arsenide.
SOLD
- Availability
- Sold
- Locality
- San Germán mine, Cerro de Potosí, Potosí, Bolivia
- Formula
- AgPbSb3S6
- Size
- 8 x 6 x 5 cm - Sm Cabinet
- Tagged
- sulfide, silver
Tabular, striated Andorite crystals to 1mm filling vugs Pyrite. In the vugs can be seen elongated, prismatic crystals of Arsenopyrite and filliform Jamesonite. In the matrix Stannite can be seen as grey and iridescent areas.
- Availability
- Available
- Price
- $30.00
- Locality
- Jachymov, Erzgegirge, Bohemia, Czech Republic
- Formula
- AgFe2S3
- Size
- 3 x 2 x 1 cm - Thumbnail
- Tagged
- sulfide, silver
Very tiny formless grains of Argentopyrite.
- Availability
- Available
- Price
- $60.00
- Locality
- Hingston Down quarry, Gunnislake, Cornwall, England
- Formula
- CuFe3+2(AsO4)2(OH)2·4H2O
- Size
- 7 x 6.5 x 1.5 cm - Sm Cabinet
- Tagged
- arsenate, copper
- Special Info
- Type Locality
Green coatings and micro crystals less than 0.75mm. Some areas contain good well-defined crystals whereas other areas are crystals which have all merged together forming a crust. This is the type locality.
- Availability
- Available
- Price
- $350.00
- Locality
- Saint-Symphorien, near Autun, Saône-et-Loire, Burgundy, France
- Formula
- Ca(UO2)2(PO4)2·10-12H2O
- Size
- 6 x 4.5 x 3 cm - Sm Cabinet
- Tagged
- phosphate
Bright, vivid yellow plates and rosttes of Autunite from type locality.
- Availability
- Available
- Price
- $125.00
- Reduced Price
- $65.00
- Locality
- Tyrnyauz Mo-W deposit, Baksan Valley, Kabardino-Balkarian, N. Caucasus, Russia
- Formula
- Bi6Te2S3
- Size
- 3 x 2 x 1 cm - Thumbnail
- Tagged
- sulfide, tellurium
- Special Info
- Type Locality
A four locality mineral. Small 1mm metallic grain. Ex. Anatoly Kasatkin.
