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Uvite

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MGR968973

Uvite

Classic Locality

Description Tabs

Description
Locality: 
Brumado, Bahia, Brazil
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.5 × 1.3 cm
Description

Exceptional single crystal of rare uvite from Brazil. This specimen shows outstanding quality in terms of crystalisation, colour and size! The green colour is super satturated in the center of the crystal and fades into a lighter green at the frame. Additionally it is accompanied with some snow-white magnesite at the bottom.

Mineral Data
What's on the rock

Uvite

Formula: 
Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Group Parent: 
Tourmaline
Crystal System: 
Trigonal
Hardness: 
7.5
Colour: 
Black, greenish-black
Streak: 
Light-brown, light-green, or white