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Dravite

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MNR121626

Dravite

Gem Crystal

Description Tabs

Description
Locality: 
Umpavalli, Koraput District, Odisha, India
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2 × 1.6 cm
Largest Crystal: 
2.40cm
Description

Fine double terminated, semi-transparent dravite crystal from India. Very good color and shape.

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
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