Mineral: Benitoite, Neptunite, Joaquinite
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: 69 x 58 x 27 mm

Description: Lustrous black prismatic crystals of Neptunite to 19 mm long with corn-flower-blue Benitoites to 13 mm partly cover a natrolite-coated plate of matrix. A single orange-brown crystal of Joaquinite to 1 mm is perched on one edge.

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