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Manganotantalite (MnTa2O6) is the Manganese (Mn) pure member of the Columbite-Tantalite series. It is a black or brown mineral, opaque to translucid, specific gravity 8,1 and important tantalum ore. It is analogous to ferrotantalite the iron member of the series.

Alto do Giz, a locality at Rio Grande do Norte, Brazil, has pegmatites with beautiful and big crystals.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Manganotantalite". A list of authors is available in Wikipedia.
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