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Bonchevite

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SKY179777

Bonchevite

Rare Mineral

Description Tabs

Description
Locality: 
Stone Cabin Gulch, Hatchita, Grant County, New Mexico, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 1.5 × 1.5 cm
Description

Bonchevite is a mixture of two rare minerals, galenobismutite and pekoite. For more details about the "problem" of bonchevite see the detailed explanation in mindat about the subject. In this specimen it is present as metallic aggregates associated to an unknown brown prismatic mineral. Ex- Christian Rewitzer specimen with label included.

Mineral Data
What's on the rock

Bonchevite

Mixture Of: 

Galenobismutite

Formula: 
PbBi2S4
Strunz: 
2.JC.25e
Hardness: 
2.5 - 3.5

Pekoite

Formula: 
PbCuBi11(S,Se)18
Strunz: 
2.HB.05a
Hardness: 
2.0 - 3.0
Colour: 
steel gray, lead gray

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