Deep Brown Colemanite
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
Photograph
Hershel Friedman
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