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Tourmaline

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MGR754826

Tourmaline

Description Tabs

Description
Locality: 
Malkhan, Krasnyi Chikoy, Zabaykalsky Krai, Russian Federation
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.2 × 1.3 cm
Description

What a fantastic Tourmaline! It is sharp terminated, the pyramidal end-points are a very attractive indicator! The clarity is superb - I didn´t use any backlight; just one time black and one time white background, no light effects; just daylight! At the base you can see a yellow (with touch of green) area, the upper 3 quarters show a crazy concentration of intense purple color! . The faces show a very eye-catching stratiation and excellent luster and the small white matrix intergrown to the left hand side gives a lot of contrast to the piece.

Mineral Data
What's on the rock

Tourmaline

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