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Dravite

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Watches:
MGR679206

Dravite

Description Tabs

Description
Locality: 
Yinnietharra, Upper Gascoyne Shire, Western Australia, Australia
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 6.7 × 6 cm
Description

Large brown single crystal of dravite tourmaline with minor tan-colored surface inclusions scattered over surface. A complete floater specimen, no point of attachment. One of the largest crystals I have seen from the locality. The discovery is from the eraly 70ties, this material is very hard to obtain in our days!

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