Nobleite
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| Nobleite | |
|---|---|
 Nobleite, Death Valley, California |
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| General | |
| Category | Phylloborates |
| Chemical formula | CaB6O9(OH)2·3H2O |
| Strunz classification | 06.FC.05 |
Nobleite is a rare borate mineral with the chemical formula CaB6O9(OH)2·3(H2O). 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.
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