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Gerhardtite On Betekhtinite With Galena & Calcite

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RHT787305

Gerhardtite On Betekhtinite With Galena & Calcite

ex collection Peter Wittmann
Classic Locality

Description Tabs

Description
Locality: 
Dzhezkazgan, Karaganda Oblast, Kazakhstan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.8 × 3.3 cm
Weight: 
291.00gr
Description

Blueish green gerhardtite on dark gray, acicular betekhtinite with big pencil-gray galena and brownish calcite crystals. Quite rare.

Mineral Data
What's on the rock

Gerhardtite

Formula: 
Cu2(NO3)(OH)3
Strunz: 
5.NB.05
Crystal System: 
Orthorhombic
Hardness: 
2.0
Type Locality: 
United Verde Mine (The Big Hole; Big Hole property; Hull Mine; Hopewell tunnel; Patented claim 3480; Patented claim 2812; Patented claims 3348), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA

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

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Current price

Starting price

95
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Start 24 Jun 18:00
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Shipping Information

Postage Area Price
Inland Germany 6.00
6
EU 8.80
8.80
NON-EU 8.80
8.80

Bid History

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