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Tourmaline Var Verdelite

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PDM790833

Tourmaline Var Verdelite

Description Tabs

Description
Locality: 
Jenipapo District, Itinga, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.5 × 2.5 cm
Description

Aggregate of interpenetrated verdelite crystals of blueish green colour. Some crystals are very thin, developing polycrystalline acicular ends. Old material from the seventies which colour is enhanced if backlighted.

Ex. Gerard Vogel collection.

Mineral Data
What's on the rock

Verdelite

Variety Of: 

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Hardness: 
7
Hardness: 
0.0

Tourmaline

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

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