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Prehnite

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ESM893910

Prehnite

Description Tabs

Description
Locality: 
Wave Hill, Victoria-Daly Region, Northern Territory, Australia
Class: 
Massive/Crystalline
Size Range: 
Museum (18cm plus)
Size: 
18 × 7 × 3 cm
Description

A polished slice of green prehnite

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