Nobleite
| Nobleite | |
|---|---|
 Nobleite, Death Valley, California | |
| General | |
| Category | Phylloborates |
| Formula (repeating unit) | CaB6O9(OH)2·3H2O |
| Strunz classification | 6.FC.05 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P21/a |
Nobleite is a rare borate mineral with the chemical formula CaB6O9(OH)2·3H2O. It was discovered in 1961, in Death Valley, California, and is named for Levi F. Noble, a USGS geologist, in honor of his contributions to the geology of the Death Valley region.
Nobleite has also been identified at two localities in Chile and Argentina.
References
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