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Chalcophyllite

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BCK741903

Chalcophyllite

Description Tabs

Description
Locality: 
Potrerillos, Chañaral Province, Atacama Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 6.2 × 3 cm
Description

You are bidding on a large sample with thousands of small chalcophyllite crystals coating both sides of the matrix. Ex. Robert Linck collection. Rich!

Mineral Data
What's on the rock

Chalcophyllite

Formula: 
Cu18Al2(SO4)3(AsO4)3(OH)27·33H2O
Strunz: 
8.DF.30
Crystal System: 
Trigonal
Hardness: 
2.0

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