Mineral: Benitoite, Neptunite
Locality: California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
Dimensions: 77 x 46 x 26 mm

Description: A pair of lustrous, black prismatic crystals of Neptunite to 21 x 6 mm balance a cornflower-blue Benitoite to 25 x 13 mm exposed from a natrolite-coated plate of matrix. Several smaller crystals of Benitoite and Neptunite are present.

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