Manganotantalite Value, Price, and Jewelry Information
Manganotantalite makes a spectacular red brown gem that is a very rare collector’s item. Transparent material is light enough in color to allow lots of light to enter and leave a cut gem, and properly cut stones are lively and brilliant. Cutting is difficult because of the cleavage.
Series to Manganocolumbite;
Ferrotantalite; Columbotantalite.
Streak: Dark red.
Occurrence: In granite pegmatites; sometimes in placer deposits.
Pala, California;Portland, Connecticut; Amelia, Virginia.
Andilana, Madagascar; Sanarka River, Urals, USSR;
Sweden; Wodgina, Western Australia.
Minas Gerais, Brazil: facetable crystals.
Alta Ligonha, Mozambique: gem quality crystals. A150 from the Morrua Mine, Zambesia.
Comments: Manganotantalite makes a spectacular red brown gem that is a very rare collector's item. Transparent material is light enough in color to allow lots of light to enter and leave a cut gem, and properly cut stones are lively and brilliant. Cutting is difficult because of the cleavage.
Name: After the composition, a manganiferous tantalite.
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