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Columbite-Tantalite
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Columbite-Tantalite (Ref: 1604360)

Etta Mine, Keystone, South Dakota, USA
17mm x 15mm x 5mm
$140
A loose lustrous grouping of the columbite-tantalite series. This is in really good condition and quite choice for the locality.
Data last checked on 19th Jul 2025
From: Weinrich Minerals
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* price is an approximate conversion and may not be accurate.

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