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- Availability
- Available
- Price
- $275.00
- Locality
- Uchucchacua mine, Oyon prov., Lima dept., Peru
- Formula
- AgMnPb3Sb5S12
- Size
- 2 x 1.8 x 1 cm - Thumbnail
- Tagged
- sulfide, silver
- Special Info
- EDS Confirmed
Granular silvery mass with a little Proustite.
- 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
- Available
- Price
- $50.00
- Locality
- Lake Boga granite quarry, Lake Boga, Victoria, Australia
- Formula
- CaCu(UO2)(PO4)2·4H2O
- Size
- 0.8 x 1.1 x 1 cm - Thumbnail
- Tagged
- phosphate, copper
- Special Info
- Type & Only Locality
Bright green thin bladed crystals to about 0.75mm.