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Tourmaline

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MGR876582

Tourmaline

Description Tabs

Description
Locality: 
Cruzeiro Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 0.7 × 0.7 cm
Description

Well terminated and nicely coloured single crystal of tourmaline from this well known mine in Brazil.

Mineral Data
What's on the rock

Tourmaline

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