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Tourmaline

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MGR994943

Tourmaline

Classic Locality

Description Tabs

Description
Locality: 
Batalha Mine, São José da Batalha, Borborema Province, Paraiba, Brazil
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.6 × 0.4 cm
Description

Cut and facetted gem crystal of intense teal greenish-blue coloured tourmaline from Brazil with a weight of 1.5ct. Very important to mention is the fact that this example is a very special and rare form of copper bearing elbaite which is commonly known as Paraiba Tourmaline. This example is cut in so called baguette style and is almost completely eye-clean with a fine finish.

Mineral Data
What's on the rock

Tourmaline

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