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Tourmaline

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MGR679180

Tourmaline

Description Tabs

Description
Locality: 
Pederneira Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 1.4 × 1 cm
Description

A very nice sample from the famous rocket pocket. The sharp terminated pyramidal endpoints are typically for this prominent discovery. The crystal is sharp terminated and very glossy all around, the color is intense dark green. Translucency is very good, photos were done under daylight. 

Mineral Data
What's on the rock

Tourmaline

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