AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Colemanite

Colemanite from Billie Mine, Furnace Creek District, Death Valley, Inyo County, California (Type Locality for Colemanite)

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 77267
Mineral:	Colemanite
Locality:	Billie Mine, Furnace Creek District, Death Valley, Inyo County, California (Type Locality for Colemanite)
Description:	Pristine cluster of lustrous transparent-to-translucent white colemanite crystals that fluoresce white under UV illumination. The colemanite crystals are pseudo-rhombohedral form with secondary edge and corner faces. Collected ca. 1985. Ex. Bart Cannon #488; ex. Charles M. Noll collection #765; ex. Marquette University
Overall Size:	7x6.5x2.5 cm
Crystals:	6-28 mm
Archived:	For reference only

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