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Dravite

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Watches:
SHS180890

Dravite

ex Collection Dr. Brandt (Northeim/Germany)
With Antique Label

Description Tabs

Description
Locality: 
Dobrova pri Dravogradu, Dravograd, Slovenia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 6.1 × 2.8 cm
Description

Nice brown dravite crystals in matrx

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