Mineral Specimen and Product Inventory Search
- Golden Crest mine, Summit Co., Colorado, United States
- 1.4 x 1 x 5 cm - Miniature
- native element
A small Quartz piece with leaf Gold to 1mm associated with shiny black, foliated and iridescent Tetradymite. Tetradymite is an uncommon bismuth-tellurium sulfide. Seems like not much is known of this mine. The USGS has a little information (click it). Mindat list it here (click it). Tetradymite is indeed found at the Golden Crest with Gold but interestingly so is Beryl, a typical pegmatite mineral.
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- Bogala mine, Sabaragamuwa Prov., Sri Lanka
- 8 x 5 x 10 cm - Cabinet
- Ore Minerals
Piece of silvery-gray soft foliated Graphite.
According to the the USGS Mineral Yearbook 2010 Graphite production in Sri Lanka was 3,437 metric tons.
- Sierra de Cruces, Coahuila, Mexico
- 8 x 6 x 4 cm - Sm Cabinet
Raspberry garnet crystals to 1.7cm perched nicely on top of the white rhyolite matrix. The uppermost Grossular is a set of two crystals, both of which are nicely formed with good luster. As seen, there are many more crystals including several that are smaller and well-formed.