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Langite & Connellite

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SHS137709

Langite & Connellite

Description Tabs

Description
Locality: 
Lautenthal, Goslar, Lower Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.2 × 1 cm
Description

Langite and connellite with cuprite and chalcophyllite

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

Connellite

Formula: 
Cu19(SO4)(OH)32Cl4·3H2O
Strunz: 
3.DA.25
Crystal System: 
Hexagonal
Hardness: 
3.0
Type Locality: 
Wheal Providence, Providence Mines, Carbis Bay, St Ives, St Ives District, Cornwall, England, UK