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Pyrite & Calcite

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MGR521056

Pyrite & Calcite

Description Tabs

Description
Locality: 
Huanzala Mine, Huallanca, Bolognesi Province, Ancash Department, Peru
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
15.2 × 9 × 8 cm
Description

The specimen shows a very aesthetic assemble; the pyrite crystals form some kind of "tower". Pyrite shows dark yellow, golden color and sharp termination. Some faces are covered by snowy white calcite, which helps to give a lot of contrast and a very tridimensional visual impact to the specimen. No significant damages to report, backside was extracted from the rock.

Mineral Data
What's on the rock

Pyrite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White