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Turquoise Psm Beryl

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AFM175179

Turquoise Psm Beryl

Pseudomorph

Description Tabs

Description
Locality: 
Apache Mine, Turquoise Mountain, San Bernadino County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 1.4 cm
Description

A very nice thumbnail of an extremely rare psuedomorph, turquoise after beryl. Two crystals with good color have grown upon a bit of matrix. One crystal is damaged on the backside, the other on the front.

Mineral Data
What's on the rock

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
5.0 - 6.0

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White
AmericanFineMinerals