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Dravite

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Watches:
CR29475

Description Tabs

Description
Locality: 
Prevalje, Carinthia Region, Slovenia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 5.5 × 3.3 cm
Largest Crystal: 
0.80cm
Description

Nice old dravite specimen with transparent brown dravite crystals up to 8 mm in matrix.

With two nice old labels.

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