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Turquoise

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SHS687206

Turquoise

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
St Austell District, Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1 × 0.8 cm
Description

Nice piece of turquoise

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