Deep Brown Colemanite
Deep Brown Colemanite from Boron, Kern Co., California
Collection Dave Bunk Minerals
Description Rare specimen of deep brown Colemanite. This is a very unusual and seldom seen color for this mineral. This specimen was featured in the 2012 Westward Look Mineral Show in Tucson, Arizona, in the display of The Minette Borates Collection of Dave Bunk Minerals.
Locality Boron, Kern Co., California
Specimen Grade D
Photograph Hershel Friedman

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