Nobleite

Nobleite

General
Category Phylloborates
Formula
(repeating unit)
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.

References