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Valentinite & Breithauptite

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SMM633143

Valentinite & Breithauptite

Description Tabs

Description
Locality: 
Nieddoris Mine, Arbus, South Sardinia Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1 cm
Description

A very nice group of three, sharp, twinned crystals of  valentinite, into a vug of ore rich of reddish masses of breithauptite. There are, even, some crystals of nickelskutterudite partially immersed in the matrix (photo 2).

Boxed with Label
Mineral Data
What's on the rock

Valentinite

Formula: 
Sb2O3
Strunz: 
4.CB.55
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Les Chalanches Mine, Allemont, Isère, Rhône-Alpes, France

Breithauptite

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

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