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Prehnite

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MGR741055

Prehnite

Description Tabs

Description
Locality: 
Copper Valley, Goboboseb Mountains, Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.1 × 3 cm
Description

This   is really an aesthetic combination - a large glossy sphere in apple green   color consisting of uncountable steps perched on sharp, lustrous and snowy   white Calcites. Perfect assemble, best quality, best color and remarkable   dimension. You always appreciate Namibian minerals and this one is really   outstanding - in quality, crystals size and also for aesthetics. I saw lot of   smaller ones, lot of clusters without any aesthetics, less color full ones   etc - this one unify quality, color, luster and aesthetic assemble in the   very best way. Highly recommended. 

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