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Fluornatromicrolite With Topaz

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KRM162630

Fluornatromicrolite With Topaz

Description Tabs

Description
Locality: 
Shengus, Haramosh Mountains, Skardu District, Gilgit-Baltistan, Pakistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 3.5 cm
Description

 A very good nice combination specimen of fluornatromicrolite and topaz & lepidolite.

No damage.

Mineral Data
What's on the rock

Fluornatromicrolite

Formula: 
(Na,Ca,Bi)2Ta2O6F
Strunz: 
4.DH.15
Crystal System: 
Isometric
Hardness: 
5.0 - 0.0
Colour: 
Green
Streak: 
White
Type Locality: 
Quixaba pegmatite, Quixaba, Frei Martinho, Borborema mineral province, Paraíba, Brazil

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Seller Information

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