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Tourmaline

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NST621274

Tourmaline

Description Tabs

Description
Locality: 
Dobbelsberg Farm 99, Karibib, Erongo Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 1.8 cm
Description

A sample of multicoloured blue, green, pink and white, opaque tourmaline with mica from Namibia.

Mineral Data
What's on the rock

Tourmaline

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