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Tourmaline & Quartz

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MGR638412

Tourmaline & Quartz

Description Tabs

Description
Locality: 
Pederneira Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.3 × 1 cm
Description

A dark blue to green, sharp terminated and highly lustrous torumaline crystal attractively set on a floater crystal of light smoky quartz - the quartz crystal is even double terminated.Very elegant, aesthetic assemble and the tourmaline is in excellent quality - gemmy, no cracks, sharp!

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