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Tourmaline & Cleavelandite

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ESM804897

Tourmaline & Cleavelandite

Description Tabs

Description
Locality: 
Barra do Salinas, Coronel Murta, Bahia, Brazil
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 5.5 cm
Description

Lustrous green tourmaline crystals on lustrous white cleavelandite crystals

Mineral Data
What's on the rock

Tourmaline

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

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0