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Tourmaline & Quartz

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MGR710399

Tourmaline & Quartz

Description Tabs

Description
Locality: 
Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 3.6 × 3.1 cm
Description

One really carzy piece! A zepter of milky quartz grew at the end-point of a sharp termianted, lustrous, green tourmaline crystal. Unfortunately we don´t know the mine, which produced this exceptional specimen. Contrast and combination are outstanding and it seems to be a unique small discovery. The specimen is out of an old cllection in Vienna - the discovery must have been some decades ago.

Mineral Data
What's on the rock

Tourmaline

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Not Sold
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