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Prehnite

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PCZ564138

Prehnite

Description Tabs

Description
Locality: 
Oficarsa Quarry, Carchelejo, Jaén, Andalusia, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 2.5 cm
Description

Lovely divergent sprays of prehnite crystals with clear terminations.

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
Peter Crozier Minerals