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Langite

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MNR724534

Langite

Classic Locality

Description Tabs

Description
Locality: 
Ľubietová, Banská Bystrica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.5 × 2.5 cm
Description

Cyan blue crystals are perched all over on schist matrix.Very fine langite piece from Lubietova, good coverage with many glittering crystals of this secondary copper mineral.

The mine is not accessible anymore for more than 2 years now.

 

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