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Dravite

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SHS585696

Dravite

ex Collection Edgar Franz (Freiberg/Saxony)

Description Tabs

Description
Locality: 
Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 4 cm
Description

Nice dravite crystals on mica shist

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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