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Turquoise

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PCZ559682

Turquoise

Description Tabs

Description
Locality: 
Gunheath Pit, St Austell, Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 2.5 cm
Description

A nice little turquoise with an area of free growing crystallisation. Good example of the material from the 'Bunny section' of a very famous British locality.

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
Peter Crozier Minerals