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Bonchevite

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SKY608830

Bonchevite

Rare Mineral

Description Tabs

Description
Locality: 
Narechen, Rhodope Mountains, Asenovgrad Obshtina, Plovdiv Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1 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 occurs as metallic crystal aggregates.

Ex F.Bauer collection, with label included that will be sent to the buyer.

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

Seller Information

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