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Turquoise

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NST760571

Turquoise

Description Tabs

Description
Locality: 
Not Known
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.8 × 6.5 × 4.5 cm
Description

Veins and concretions of turquoise in black shale matrix. No locality given.

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