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Prehnite

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CR192105

Prehnite

Description Tabs

Description
Locality: 
Merelani Hills, Arusha Region, Tanzania (United Republic)
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.7 × 1.2 cm
Description

A very good and beautiful, lustrous cluster of pale yellow prehnite crystals.

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
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