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Nickeline & Breithauptite & Annabergite

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SHS137779

Nickeline & Breithauptite & Annabergite

Description Tabs

Description
Locality: 
Fenugu Sibiri Mine, Gonnosfanadiga, South Sardinia Province, Sardinia, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.2 × 2.3 cm
Description

Nickeline with breithauptite and annabergite in matrix

Mineral Data
What's on the rock

Nickeline

Formula: 
NiAs
Strunz: 
2.CC.05
Crystal System: 
Hexagonal
Hardness: 
5.0 - 5.5

Breithauptite

Formula: 
NiSb
Strunz: 
2.CC.05
Crystal System: 
Hexagonal
Hardness: 
5.5
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Annabergite

Formula: 
Ni3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.5
Type Locality: 
Teichgräber Flacher vein, Teichgräber deep adit, Kippenhain Mine (Kippenhayn Mine), Schreckenberg, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany