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Tourmaline

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MGR622570

Tourmaline

Description Tabs

Description
Locality: 
Paineira Claim, Coronel Murta, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.8 × 1.7 cm
Description

For sure this is the most exciting and best tourmaline we shown on e-rocks so far! The "T" formed assemble of two crystals is really spectacular. The vertical crystal is end-pointed, bottom was on the rock. The horizontal crystal is even double termianted. Both crystals are very translucent - both photos one light background were done without any backlit. You can see a pink-violet phantom, framed by green to blue-green zoning! Some smaller cyrstals are also present. The specimen shows only one invisible reapar where the two crystals collide. 

Mineral Data
What's on the rock

Tourmaline

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