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Tourmaline

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MGR723108

Tourmaline

Description Tabs

Description
Locality: 
Cruzeiro Mine, Doce Valley, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 2 × 1.4 cm
Description

A crazy assemble of tourmaline crystals - a large main crystal with a pink cap and various steps of internal green color with several smaller crystals and partly covered with uncountable micro crystals of second generation!

Mineral Data
What's on the rock

Tourmaline

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