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

Colemanite on Calcite from Kramer Deposit, Boron, Kern County, California

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 81009
Mineral:	Colemanite on Calcite
Locality:	Kramer Deposit, Boron, Kern County, California
Description:	Lustrous transparent colorless bladed colemanite crystals to 15 mm on translucent golden-yellow calcite crystals to 5 mm in stalactitic formations to 45 mm high standing upright off gray matrix. The colemanite and calcite fluoresces under LW-SW UV. Ex. Miller #M669; collected ca. 1970
Overall Size:	8.5x6x5.5 cm
Crystals:	3-15 mm
Archived:	For reference only

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