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Dravite

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CLB557140

Dravite

Type Locality

Description Tabs

Description
Locality: 
Dobrova pri Dravogradu, Dravograd, Slovenia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 5.5 × 2.2 cm
Description

Dark brown, partly translucent dravite (a tourmaline-variety) crystals on mica-slate matrix.

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

Seller Information

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