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Tourmaline

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MGR550916

Tourmaline

Description Tabs

Description
Locality: 
Pederneira Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 1.5 × 1.1 cm
Description

A gorgeous blue green assemble of tourmaline. It is sharp terminated, all faces all around are lustrous, the crystal is double terminated. The top shows a concentration of blue. The translucency is excellent, it doesn´t need any backlight to show internal color. Tiny lepidolithe crystals are scattered all over and help to give a lot fo contrast to the piece. A very fne, undamaged little jewel.

Mineral Data
What's on the rock

Tourmaline

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