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Dravite

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MBM1031141

Dravite

Type Locality

Description Tabs

Description
Locality: 
Dobrova pri Dravogradu, Dravograd, Slovenia
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 10 × 4 cm
Description

Excellent huge 794g heavy Dravite labeled as coming from Unterdrauburg from the type locality!
This is the old historical name for what is now known as Dobrova pri Dravogradu, Dravograd, Slovenia.

The piece features dozens of crystals and partial crystals of gemmy, golden-brown colored prismatic trigonal Dravite tourmaline measuring up to 10mm sitting on and frozen in off-white colored mica schist matrix. 

Named in 1883 by Gustav Tschermak for the river Drau (in Latin, Drave), on which the type locality is situated.

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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Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR