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Elbaite Var Tourmaline With Tantalite-(Mn)

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KRM718238

Elbaite Var Tourmaline With Tantalite-(Mn)

Description Tabs

Description
Locality: 
Stak Nala, Gilgit-Baltistan, Pakistan
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 2 × 1.8 cm
Description

Well doubly terminated blue capped tourmaline crystal incombination with Tantalite mn crystals , well doubly terminated adularia crystal can be seen at one edge.

Mineral Data
What's on the rock

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

Tourmaline

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

Tantalite-(Mn)

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

Seller Information

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