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Betekhtinite

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CR632999

Betekhtinite

Rare !
Analysed

Description Tabs

Description
Locality: 
Dzhezkazgan Mine, Dzhezkazgan, Karaganda Oblast, Kazakhstan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.5 × 2 cm
Description

Betekhtinite is a rare copper, iron, lead sulfide.

This good example of betekhtinite has a brown coating and parallel-growth lathes that average 1-2 cm in length.

Ex Armin Wendland collection.

Mineral Data
What's on the rock

Betekhtinite

Formula: 
(Cu,Fe)21Pb2S15
Strunz: 
2.BE.05
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Colour: 
Black
Streak: 
Black
Type Locality: 
Ernst Thälmann Shaft (Vitzthum Shaft), Hübitz, Siersleben, Mansfeld Basin, Saxony-Anhalt, Germany