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Tourmaline

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Watches:
MGR788881

Tourmaline

Description Tabs

Description
Locality: 
Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 0.9 × 0.9 cm
Description

The crystal shows superb quality - usually indicolite is most times dark and needs backlight - this one was photographed just under daylight, so you can imagine, that the translucency and transparency is exceptional! There are no cracks or incluions, this is really cut-quality! The color is also remarkable - intense electric blue with a lighter zoning below the middle and a darker zoning down to the base. The crystal is on same high luster all around and also end-pointed. No significant damages to report, bottom was on the rock.

Mineral Data
What's on the rock

Tourmaline

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