Tags: Chemical Substance, Mineral.

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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