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Tourmaline

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MGR822813

Tourmaline

Description Tabs

Description
Locality: 
Santa Rosa Mine, Itambacuri, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1 × 1 cm
Description

A really wonderful Indicolite. The upper part of the crystal is very translucent and shows excellent clarity without cracks or inclusions - the blue color is very intense. The lower part of the crystal is very dark and will need minor backlight to show also blue and also a little bit of violet color tones. Photos were done without any backlight to give you an idea of the high quality.

Mineral Data
What's on the rock

Tourmaline

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