Sellaite Value, Price, and Jewelry Information
An overview on Sellaite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Sellaite gems.
0An overview on Sellaite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Sellaite gems.
Optics:o=1.378; e= 1.390.
Uniaxial (+).
Occurrence: Sellaite occurs in a wide variety of geological environments.
Vesuvius, Italy: in volcanic fumaroles.
Harz Mountains, Germany: in evaporite beds.
Italy; France: in veins.
Nertschin, Russia: in pegmatites.
Oslo Region, Norway: cavities in a soda-granite.
Brumado Mine, Bahia, Brazil: gemmy crystals in a metamorphic magnesite deposit.
Name: After the Italian mining engineer and mineralogist, Quintino Sella.
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
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