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Tantalite-(Mn) With Elbaite

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KRM117601

Tantalite-(Mn) With Elbaite

Description Tabs

Description
Locality: 
Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.7 × 0.6 cm
Description

An aesthetic specimen  , well terminated tiny green elbaite crystal is intergrown in  well terminated black reddish  , lustrous tantalite crystal.

There is no damage except minor etching at base.

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

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...

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