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Tourmaline

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Watches:
MGR646863

Tourmaline

Description Tabs

Description
Locality: 
Pederneira Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 0.9 × 0.8 cm
Description

This is a wonderful crystal from the rocket pocket. It shows the typical (for this famous pocket) pyramidal end-points. The crystal is sharp terminated and highly lustrous all around. It shows also perfect clarity, flawless, no internal cracks, cut-quality! At the base you can see a small pink phnatom, then it shows various steps of sea-green to dark green and nearly black at the top. Please note - there is no backlight, the photos show the specimen under daylight! undamages, only bottom was on the rock, perfect all around.

Mineral Data
What's on the rock

Tourmaline

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