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Verdelite

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PDM754691

Verdelite

Pseudomorph

Description Tabs

Description
Locality: 
Itinga, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.8 × 2.3 cm
Description

A very interesting pseudomorph of a verdelite crystal with the inside part was most probably altered to lepidolite. Lately that new material disappeared, leaving a hollow crystal, like an old tree stump. Nonetheless the outside of the tourmaline crystals still show very good luster, very good green colour and nice striations. Old material from the seventies which colour is enhanced if backlighted.

Ex A. Gelders #012.

Mineral Data
What's on the rock

Verdelite

Variety Of: 

Tourmaline

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

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