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Tourmaline

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Watches:
MGR700261

Tourmaline

Description Tabs

Description
Locality: 
São José da Safira, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.7 × 4.1 cm
Description

A sharp terminated, very glossy, intense green tourmaline crystal attached to matrix. The crystal is end-pointed - at the backside the end point is intergrown to matrix. Fine color with cat-eye effect and good contrast.

Mineral Data
What's on the rock

Tourmaline

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