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Betekhtinite & Djurleite

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CAM590014

Betekhtinite & Djurleite

Description Tabs

Description
Locality: 
Dzhezkazgan, Karaganda Oblast, Kazakhstan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.5 × 2.2 cm
Description

A very fine specimen from Dzhezkazgan with bluish grey parallel-grown needles of betekhtinite up to 1.3 cm and grey metallic tabular djurleite crystals on matrix.

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

Djurleite

Formula: 
Cu31S16
Strunz: 
2.BA.05
Hardness: 
2.5 - 3.0
Type Locality: 
Barranca de Cobre (Copper Canyon), Mun. de Chihuahua, Chihuahua, Mexico

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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