Mineral: Colemanite
Locality: Billie Mine, Ryan, Furnace Creek District (Death Valley area), Inyo County, California, USA
Dimensions: 4.3 x 5.5 cm

Description: An intergrown group of glassy colorless colemanite crystals to 3.0 cm. Collected in 1991 from the 1490' Level of the mine.

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