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Prehnite

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RAF22395

Prehnite

Description Tabs

Description
Locality: 
Karasburg, Karas Region, Namibia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.2 × 1.5 cm
Largest Crystal: 
1.40cm
Description

Two primary botryoidal balls of 1.4cm each make the main feature of this attractive miniature prehnite.

Unique and aesthetic fractures running through.

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