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Langite

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PCZ727687

Langite

Description Tabs

Description
Locality: 
Lodge Park Trial, Tre'r-ddol, Llangynfelyn, Ceredigion, Wales, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.3 × 7.8 × 2.6 cm
Description

A black slate matrix with  blocky crystals and powdery areas of langite. A very nice specimen under magnification. 

Matrix: 
Slate
Condition
General: 
Good - locality specimen
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
Peter Crozier Minerals