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Hemimorphite & Langite & Laurionite

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SHS1043264

Hemimorphite & Langite & Laurionite

Description Tabs

Description
Locality: 
Ochsenhütte Slag Locality, Grane Reservoir, Goslar, Harz, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.3 cm
Description

Nice hemimorphite with langite and laurionite on matrix

Mineral Data
What's on the rock

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania

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

Laurionite

Formula: 
PbCl(OH)
Strunz: 
3.DC.05
Hardness: 
3.0 - 3.5
Type Locality: 
Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece