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Tantalite-(Mn)

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PDM625273

Tantalite-(Mn)

Description Tabs

Description
Locality: 
Ulindi, South Kivu, DR Congo
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.5 × 2.3 cm
Description

Blackish-brown crystal of tantalite-(Mn) with dull lustre from the remote area of the Ulindi river (Sud-Kivu, DRC). The orthorhombic form is clearly recognizable, being formed by crystal faces or contact to other crystals, but no piece is missing. It was acquired by Jacques Deblandre in 1969, who was the son a Belgian colonist to Rwanda until mid 70’s.

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

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