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Dravite

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Watches:
MGR809545

Dravite

Floater

Description Tabs

Description
Locality: 
Pajaru, Jajarkot District, Karnali Pradesh, Nepal
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.4 cm
Description

Dravite is one more uncommon variety of tourmaline and usually not very atractive. Material from Nepal stands out for translucency and color - also this piece only needs minor backlight to expose this strong, intense color. It is double terminated and developed as floater and on same high luster and quality 360°, no significant damages to report.

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