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Cuprite & Segnitite

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BCK719077

Cuprite & Segnitite

Martin Jensen collection
Classic Locality

Description Tabs

Description
Locality: 
Black Pine Mine, Black Pine Ridge, Granite County, Montana, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 1.2 cm
Description

You are bidding on a thumbnail specimen with very unusual growths of cuprite in a vug with rich segnitite druses. Cuprite is quite rare at the locality. Collected by Martin in 2002. 

Mineral Data
What's on the rock

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Seller Information

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