Mineral Specimen and Product Inventory Search
SOLD
- 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
- $75.00
- Locality
- West Baker mine, Boron, Kern Co., California, United States
- Formula
- NaCaB5O6(OH)6·5H2O
- Size
- 14 x 10 x 4 cm - Cabinet
Large cone-like radial Ulexite.
SOLD
- Availability
- Sold
- Locality
- Galiléia, Doce Valley, Minas Gerais, Brazil
- Formula
- MgFe3+2(PO4)2(OH)2·8H2O
- Size
- 2.5 x 2 x 0.6 cm - Thumbnail
- Tagged
- phosphate, pegmatite mineral
Rare orange platy crystals to 1mm on probably Beryllonite/Moreasite matrix (side shot).
- Availability
- Available
- Price
- $275.00
- Locality
- Jacksonville dist., Mother Lode Belt, Tuolumne Co., California, United States
- Formula
- Ca3Cr2(SiO4)3
- Size
- 13 x 10 x 3 cm - Cabinet
Large cabinet specimen with 1mm and less exceptional Uvarovite crystals with Magnesiochromite and chromium Clinochlore. Excellent specimen!
- Availability
- Available
- Price
- $175.00
- Locality
- Jacksonville dist., Mother Lode Belt, Tuolumne Co., California, United States
- Formula
- Ca3Cr2(SiO4)3
- Size
- 6 x 4 x 2.5 cm - Sm Cabinet
Good coverage of deep emerald green Uvarovite crystals to 1mm with purple chromium Clinichlore.
- Availability
- Available
- Price
- $65.00
- Locality
- Jacksonville dist., Mother Lode Belt, Tuolumne Co., California
- Formula
- Ca3Cr2(SiO4)3
- Size
- 6.5 x 5 x 2.5 cm - Sm Cabinet
Deep emerald green Uvarovite, mostly contact points, but also a little bit of nearly full crystals, less than 1mm. The pink is Magnesiochromite.
