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Tourmaline

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MGR541378

Tourmaline

Description Tabs

Description
Locality: 
Santa Rosa Mine, Itambacuri, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 1.9 × 1.5 cm
Description

A wonderful crystal, which shows some kind of cat-eye effect. The lower part shows this effect and intense green color, but at the top to end point you can see vibrant, intense blue-green color. The crystal is curved and it shows highest possible luster. Some smaler crystals are intergrown.

Mineral Data
What's on the rock

Tourmaline

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