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Tourmaline & Quartz

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NST722767

Tourmaline & Quartz

Dr. Ing. H. Maucher, Munich

Description Tabs

Description
Locality: 
Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 1.1 × 1.1 cm
Largest Crystal: 
1.00cm
Description

A 1 cm double terminated Quartz in combination with green Tourmaline from Minas Gerais. Size given is for the glass flacon.

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