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Prehnite

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MGR1080142

Prehnite

Classic Locality

Description Tabs

Description
Locality: 
Oficarsa Quarry, Carchelejo, Jaén, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.1 × 2.2 cm
Description

This material was discovered around 2000, the specimen shows several spheres of light green Prehnite. The exact locality is the Oficarsa quarry, field collecting is no more longer productive since about 15 years and no new material came out. 

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