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Dravite

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Watches:
MGR711890

Dravite

Description Tabs

Description
Locality: 
Mwajanga, Simanjiro District, Manyara Region, Tanzania (United Republic)
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 1.3 × 0.7 cm
Description

Very rare dravite from Tanzania - this is an outstanding rarity! The crystal is sharp terminated and end-pointed, the translucency is very fine - even minor backlight shows this strong, intense yellow-brown color. Although the faces are only on satiny luster it should be high valued for the locality!

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