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Tourmaline

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PCZ808535

Tourmaline

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 3 cm
Description

Clusters of sharp, reflective, parallel grown terminated tourmaline crystals showing unusual pink and blue internal reflexions in suitable light.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7
Peter Crozier Minerals