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Tourmaline

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Watches:
MGR651508

Tourmaline

Description Tabs

Description
Locality: 
Laghman Province, Afghanistan
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 1.4 × 1 cm
Description

This is a wonderful crystal from Laghman. It is water-clear with only minor internal cracks, really like glass, you can read the newspaper underneath! At the base you can see a light pink area and a little darker concentration of pink at the sharp terminated, modified end-points. Between base and top it shows a touch of pastel-blue color to nearly colorless (=Achroit). No significant damages to report, just one contact of an intergrown crystal at the back, 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