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Prehnite & Calcite

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CPM165832

Prehnite & Calcite

Description Tabs

Description
Locality: 
Oficarsa Quarry, Carchelejo, Jaén, Andalusia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.2 × 2.4 cm
Description

This quarry has been closed for years. Calcite specimens are rare.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Calcite

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

Seller Information

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