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Tourmaline

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MGR720529

Tourmaline

Description Tabs

Description
Locality: 
Cruzeiro Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 2.2 × 1.5 cm
Description

A really spectacular assemble of crystals, with a pencil shaped end-point of the main crystal. All crystals are highly lustrous and sharp terminated. The show intense dark green color with sharp red zoning along all end-points. Looks fantastic in various positions, only bottom was on the rock.

Mineral Data
What's on the rock

Tourmaline

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