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Dravite

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UVM651042

Dravite

Gem Crystal

Description Tabs

Description
Locality: 
Mwajanga, Simanjiro District, Manyara Region, Tanzania (United Republic)
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 1 × 0.7 cm
Description

A single colorless to very pale green crystal of dravite from Tanzania.   

Mineral Data
What's on the rock

Dravite

Formula: 
Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Type Locality: 
Dobrova, Dravograd (Unterdrauburg), Slovenia

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