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Bournonite & Pyrite On Manganoan Calcite

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SLN772921

Bournonite & Pyrite On Manganoan Calcite

Description Tabs

Description
Locality: 
Pachapaqui District, Bolognesi Province, Ancash Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
5.8 × 10 × 6.9 cm
Weight: 
427.00gr
Description

Beautiful specimen from Peru of Bournonite in a myriad of crystals of excellent brightness in the classical form associated with small Pyrite crystals on Manganoan Calcite of a delicate pink color

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

Pyrite

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

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

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