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Bournonite On Siderite

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TBM869671

Bournonite On Siderite

Classic Locality

Description Tabs

Description
Locality: 
Brosso Mine, Cálea, Léssolo, Torino Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 3.7 cm
Weight: 
40.00gr
Description

Fine crystal of 4 mm size with classic abitus to gear wheel, implanted on roses of Siderite

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

Siderite

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