











Mineral Specimen and Product Inventory Search
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Boron, Kern Co., California, United States
- Formula
- NaCaB5O6(OH)6·5H2O
- Size
- 10 x 6 x 6 cm - Cabinet
- Tagged
- Ore Minerals
An excellent specimen showing the fibrous nature of Ulexite used in fiber optics. Also called "TV rock" Ulexite as the remarkable property of transferring light through its fibers by the refraction of light even when bent.
- Availability
- Sold
- Locality
- Lake Boga granite quarry, Lake Boga, Victoria, Australia
- Formula
- CaCu(UO2)(PO4)2·4H2O
- Size
- 3 x 2.5 x 1.5 cm - Thumbnail
- Tagged
- phosphate
- Special Info
- Type Locality
Bright green bladed crystals in a group to 1mm.
- Availability
- Sold
- Locality
- Rabejac mine, Le Puech, Herault, France
- Formula
- (UO2)Mo6+O4·2H2O
- Size
- 4 x 4 x 2.5 cm - Miniature
A stunning specimen under the scope with bright red radiating groups of Umohoite associated with yellow "pods" of Uranophane. Excellent, rare specimen.
- Availability
- Sold
- Locality
- White King mine, Lake Co., Oregon, United States
- Formula
- Ca(UO2)2(AsO4)2·10H2O
- Size
- 1.3 x 1 x 1 cm - Thumbnail
- Tagged
- arsenate
Yellow scales.
- Availability
- Sold
- Locality
- New Bullfrog mine, Nye Co., Nevada, United States
- Formula
- Ag3AuS2
- Size
- 4 x 3 x 1 cm - Miniature
- Tagged
- sulfide, silver, gold
Dark grey pods of Uytenbogaardtite to 8mm with speckled Gold. Sawed flat on one side.