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Turquoise

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TBM804267

Turquoise

Description Tabs

Description
Locality: 
Nishapur County, Razavi Khorasan Province, Iran
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.1 × 0.9 cm
Weight: 
3.90gr
Description

Cabochon of top blue color with characteristic reticular inclusions, from the historic Iranian mine. Totally natural gem.

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