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Prehnite

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PAV925745

Prehnite

Classic Locality

Description Tabs

Description
Locality: 
Montijos Quarry, Monte Redondo, Leiria, Leiria District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.2 × 1.7 cm
Description

A classic of the Portuguese mineralogy: Montijos quarry!

A very unusual prehnite specimen from this well known locality.

Acquired: 
Boxed with Label
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