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Chalcocite & Calcite

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SCH96129

Chalcocite & Calcite

Description Tabs

Description
Locality: 
Las Cruces Mine, Gerena, Seville, Andalusia, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2.8 × 1.3 cm
Description

Beautiful small specimen of pseudohexagonal chalcocite twins on matrix and associated with striking transparent stacked calcite rhombs. 

Mineral Data
What's on the rock

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0

Calcite

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

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