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Fine Corundum, Demantoid Garnet
Irradiated HPHT-Grown Diamonds with Blue-Green Color Zonation
Importance of the Secondary Market for Fine Gems
Exceptional gems that are recirculated in the gem market make an impact at the Tucson shows.
De Beers near Colorless-to-Blue Experimental Gem-Quality Synthetic Diamonds
Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich
The “Montana Queen” Sapphire
Quarterly Crystal: Unknown Inclusion in Triphane Spodumene
Two Pearls of Indian Cultural Significance
Gold Granulation by Zaffiro
Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Araçuaí Districts
First in a series, this article reviews the exploration for gemstones and mining methods in Minas Gerais, Brazil.
