Mineral Specimen and Product Inventory Search
- Featured in Special Editions
- Boron, Kern Co., California, United States
- 10 x 6 x 6 cm - Cabinet
- 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.
- Cardiff Uranium mine, Haliburton Co., Ontario, Canada
- 4 x 3 x 3.5 cm - Miniature
Black grains of Uraninite to 5mm associated with dark purple Fluorite and yellowish Calcite.