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Redgillite Langite & Mimetite

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ESM818681

Redgillite Langite & Mimetite

Description Tabs

Description
Locality: 
Schöne Aussicht Mine, Burbach, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1 cm
Description

Sprays of pale green redgillite needles with blue langite crystals and colorless mimetite needles

Mineral Data
What's on the rock

Redgillite

Formula: 
Cu6(SO4)(OH)10·H2O
Strunz: 
7.DD.70
Hardness: 
2.0
Type Locality: 
Silver Gill, Roughton Gill, Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK

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

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany