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Conichalcite & Calcite

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NST701193

Conichalcite & Calcite

Description Tabs

Description
Locality: 
Mapimí, Mapimí Municipality, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6.5 × 3 cm
Description

A beautiful sample of green Conichalcites and transparent to white Calcites from Mapimi..

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Calcite

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