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Tantalite-(Mn) Psm Microlite With Tourmaline & Topaz

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KRM514728

Tantalite-(Mn) Psm Microlite With Tourmaline & Topaz

Description Tabs

Description
Locality: 
Shigar District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6 × 5 cm
Description

A superb rare pseudomorph example , large well terminated crystals of tantalite mn psm microlite incombination with well terminated gemmy topaz & tourmaline hosts to lepidolite matrix.

very good high quality specimen from the locality.

Mineral Data
What's on the rock

Tantalite-(Mn)

Formula: 
MnTa2O6
Strunz: 
4.DB.35
Hardness: 
6.0
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

Tourmaline

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

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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