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Bournonite Sphalerite Pyrite & Baryte

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SCH178570

Bournonite Sphalerite Pyrite & Baryte

Description Tabs

Description
Locality: 
Bella Vista Mine, Libertad Department, Peru
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 6 × 3.9 cm
Description

Gunmetal bournonite cogwheels to 13mm are set on a pyrite and baryte matrix covered with dark sphalerite crystals. Much better in hand, must be seen to be fully appreciated.

Mineral Data
What's on the rock

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
schani

Seller Information

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