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Dravite

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SYA619044

Dravite

rare locality

Description Tabs

Description
Locality: 
Somerset Farm, Francistown, North-East District, Botswana
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3 × 2 cm
Description

A black cleavage of dravite from a rare locality.

Although this locality and dravite for Botswana are not listed on Mindat - the species and the locality are comfirmed by the BGR-Hannover.

Comes only with a copy of the original handwritten label.

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
Labels
Label Images - only: Dravite
Label Images - only: Dravite

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