Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $30.00
- Locality
- Mina Ojuela, Mapimi, Durango, Mexico
- Formula
- PbO2
- Size
- 2.6 x 2.4 x .7 cm - Thumbnail
Black, tiny, needles of Plattnerite crystals with metallic luster.
- Availability
- Sold
- Locality
- Mun. de Zacatecas, Zacatecas, Mexico
- Formula
- Cu(Ag,Cu)6Ag9Sb2S11
- Size
- 3 x 2 x 2 cm - Thumbnail
- Tagged
- sulfide, copper, silver
A good specimen of dull metallic grey, thin hexagonal plates of Polybasite to about 0.5mm with abundance and associated in formless Acanthite.
- Availability
- Available
- Price
- $40.00
- Locality
- Crestmore, Riverside Co., California, United States
- Formula
- Ca2Al(Si3Al)O10(OH)2
- Size
- 8 x 6.5 x 5 cm - Sm Cabinet
Crystalline light tan, somewhat glassy Prehnite in pegmatite matrix.
- Availability
- Sold
- Locality
- Moldava, Erzgebirge, Bohemia, Czech Republic
- Formula
- Bi3O(AsO4)2(OH)
- Size
- 4 x 3 x 1.5 cm - Miniature
- Tagged
- arsenate
Preisingerite is an uncommon bismuth arsenate. Crystals can be beautiful, but on this specimen, the Preisingerite is just a yellow crust with a lttle crystallinity but mostly as a powdery mass.
- Availability
- Sold
- Locality
- Mun. de Zacatecas, Zacatecas, Mexico
- Formula
- Ag3AsS3
- Size
- 7 x 5.5 x 4 cm - Sm Cabinet
- Tagged
- sulfide, ore specimen, silver
A good sized massive specimen you might call ore grade. It actually is an ore specimen with a lot of sulfides including Galena and Pyrite plus a zone of dark red crystalline Proustite.
- Availability
- Sold
- Locality
- Equity mine, Creede dist., Mineral Co., Colorado, United States
- Formula
- Ag3AsS3
- Size
- 4 x 2.5 x 1.5 cm - Miniature
- Tagged
- sulfide, silver
Cherry red prismatic Proustite crystals to 1mm with two Polybasite crystals of about the same size.
