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Bournonite Boulangerite & Siderite

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TCT73258

Bournonite Boulangerite & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Příbram District, Central Bohemian Region, Czech Republic
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 4 × 3.5 cm
Description

A specimen with bournonite perched between brownish siderite crystals. The hairy boulangerite gives the specimen a silky-like appearance.

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

Boulangerite

Formula: 
Pb5Sb4S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Colour: 
Lead grey
Streak: 
Brownish
Type Locality: 
Molières, Gard, Languedoc-Roussillon, France

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Tectonica

Seller Information

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