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Tourmaline

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MGR1095647

Tourmaline

Classic Locality

Description Tabs

Description
Locality: 
Otjua Mine, Otjua Farm 37, Karibib, Erongo Region, Namibia
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.1 × 0.8 cm
Description

Fine single crystal of tourmaline from Namibia. It is nicely terminated with highly lustrous faces all around and a very good clarity. The colouration is an intense olive green.

Mineral Data
What's on the rock

Tourmaline

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