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Tourmaline

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MGR690474

Tourmaline

Description Tabs

Description
Locality: 
Cruzeiro Mine, Doce Valley, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.6 × 2.1 cm
Description

Two gemmy "V"-formed crystals set on intergrown further crystals! The crystals are very translucent, they show light blue to lavender color with a concentration of purple color below the sharp end-points. All faces are highly lustrous. The freestanding crystals are undamaged, the crystals at the base are contacted and/or extracted from mother-rock. A very aesthetic assemble, looks fine in various positions.

Mineral Data
What's on the rock

Tourmaline

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