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Djurleite & Benitoite

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SER978611

Djurleite & Benitoite

Description Tabs

Description
Locality: 
California State Gem Mine, San Benito County, California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1 cm
Description

a perfect, hexagonal crystal of djurleite on the top of a blue crystal of benitoite

Mineral Data
What's on the rock

Djurleite

Formula: 
Cu31S16
Strunz: 
2.BA.05
Hardness: 
2.5 - 3.0
Type Locality: 
Barranca de Cobre (Copper Canyon), Mun. de Chihuahua, Chihuahua, Mexico

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