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.
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.
Start an IGS Membership today
for full access to our price guide (updated monthly).Manganotantalite Value
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.
Joel E. Arem, Ph.D., FGA
Dr. Joel E. Arem has more than 60 years of experience in the world of gems and minerals. After obtaining his Ph.D. in Mineralogy from Harvard University, he has published numerous books that are still among the most widely used references and guidebooks on crystals, gems and minerals in the world.
Co-founder and President of numerous organizations, Dr. Arem has enjoyed a lifelong career in mineralogy and gemology. He has been a Smithsonian scientist and Curator, a consultant to many well-known companies and institutions, and a prolific author and speaker. Although his main activities have been as a gem cutter and dealer, his focus has always been education. joelarem.com
Related Articles
Black Diamond Value, Price, and Jewelry Information
Chameleon Diamond Value, Price, and Jewelry Information
Gray Diamond Value, Price, and Jewelry Information
Green Diamond Value, Price, and Jewelry Information
Latest Articles
Classic Engagement Ring Stones
Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature: Book Review
Cuprite Value, Price, and Jewelry Information
Gemstone Radiation Treatment
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!