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Langite

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Langite

Description Tabs

Description
Locality: 
Tretharrup Mine, Tresavean Mine, Lanner, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.5 × 8 × 4 cm
Description

A wedge of granite matrix coated on two sides with blue crystalline langite.

Collected underground in the 1980's

Mineral Data
What's on the rock

Langite

Formula: 
Cu4(SO4)(OH)6·2H2O
Strunz: 
7.DD.10
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Fowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath, St Austell District, Cornwall, England, UK