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Benitoite

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Benitoite

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Description
Locality: 
Dallas Gem Mine, San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 7.5 × 4.5 cm
Description

A large specimen hosting several blue benioite crystals from the Dallas Gem mine. From an old collection. 

 

Mineral Data
What's on the rock

Benitoite

Formula: 
BaTi(Si3O9)
Strunz: 
9.CA.05
Crystal System: 
Hexagonal
Hardness: 
6.0 - 6.5
Type Locality: 
California State Gem Mine (Dallas Gem Mine; Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
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