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Columbite-(Mn)

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PDM865863

Columbite-(Mn)

Description Tabs

Description
Locality: 
Paynes Find Goldfield, Yalgoo Shire, Western Australia, Australia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.6 × 0.6 cm
Largest Crystal: 
0.50cm
Description

Black crystallized columbite-(Mn) in a quartz matrix. The crystals are terminated and grew in a parallel disposition. Nice representative specimen of an scarce material in the marked nowadays.

Ex Francis Hubert #10929.

Mineral Data
What's on the rock

Columbite-(Mn)

Formula: 
(Mn,Fe)(Nb,Ta)2O6
Strunz: 
4.DB.35
Hardness: 
6.0

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