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Benitoite

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QRI841009

Benitoite

Former collection Christian Mavris
Gem Crystal

Description Tabs

Description
Locality: 
Dallas Gem Mine, San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2 × 2 cm
Largest Crystal: 
0.70cm
Weight: 
9.00gr
Description

Rich thumbnail featuring at least a dozen of deep blue benitoite crystals on exposed grey crossite. Crystals are mostly sharp triangules with occasional some pseudohexagonal contour, brilliant, mostly arranged as a chained cluster. They are all very lustrous. Good color quality, well-saturated. One of the key crystals is bicolor, with a very dark area.
A rich and good specimen from this classic - now defunct - locality, 

The weight includes the Perky box the specimen is mounted in.

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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