jdn NORTHUPITE, Searles Lake, San Bernandino County, California, 1.2 x 1.5 x 1 cm | |
Thumbnail sized specimen of an uncommon mineral occurring at the well known Searles Lake deposits of Halite, Hanksite, and Borax. Composition is NA3Mg(CO3)2Cl. This is a single octahedral crystal mounted in a perky (thumbnail) box. |