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Tourmaline

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ESM572533

Tourmaline

Description Tabs

Description
Locality: 
Barra do Salinas, Coronel Murta, Bahia, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 4.5 × 4.2 cm
Description

Bicolored (green with pink center) striated tourmaline crystal with muscovite (repaired)

Mineral Data
What's on the rock

Tourmaline

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