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Tourmaline

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MGR840562

Tourmaline

Description Tabs

Description
Locality: 
Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 1.2 × 1.1 cm
Description

This lustrous, sharp, complete and end-pointed crystal shows a light cap with steps of yellow, minor green and pink. Exposed to moderately backlight the dark area shows an intense red color. 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