|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Colemanite
|Boron, Kern County, California
|Elongated crystal aggregate of colemanite 11 cm long with overgrowth of smaller colemanite crystals on the surface averaging 3-6 mm. The back side shows a central spine that formed first. With custom-made black base for support. Ex. Rutgers University Geology Museum
|For reference only
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