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Tourmaline & Cleavelandite

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FRN94423

Tourmaline & Cleavelandite

Description Tabs

Description
Locality: 
Gilgit, Gilgit-Baltistan, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.3 × 3.3 cm
Largest Crystal: 
7.00cm
Description

Well formed and lustrous large deep green tourmaline (colour can be seen under the light on some of the area), double terminated crystal with 7cm in length and 2.5cm in diameter, good colour contrast.

One of the small intergrowth crystals has nice blue-green top. The tourmaline crystal half nestled on cleavelandite crystals

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0
Oriental Minerals