Featured Articles

Enhanced Lapidary Materials: Lapis and Gold in Quartz

Posted on April 30, 2018 by Helen Serras-Herman, FGA

Previous articles by the author covered the most recent breed of enhanced lapidary materials in the form of fancy compressed blocks comprised of natural gemstone ingredients, metals, shells and resins. Also, howlite and magnesite—two minerals that have…

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News Archive

Daylight Fluorescent Opal

Semi-transparent to transparent opal that is capable of being faceted is not unusual. Most are familiar with the cherry opal from Mexico, ranging in color from a yellowish- orange to reddish-orange, some with a play…

Vayrynenite

Väyrynenite [´vjairənə,nait] is an exceedingly rare manganese- beryllium phosphate mineral with chemical formula of Mn2+Be(PO4)(OH,F). Initially it was found by a Finnish mineralogist of Russian origin Oleg von Knorring (1915-1994) in Viitaniemi, Finland in 1939…

Colored Stone Market – May 2018

The market remains generally attractive heading toward the important JCK Las Vegas show. Dealers expressing concern regarding the difficulty sourcing extra fine ruby and sapphire. Emerald continues to excite world markets. The price ceiling that…

Diamond Market

Diamond markets are quiet with prices steady as the market shrinks a bit. With many retail store closings, the way diamonds are purchased is changing. However, DeBeers Forevermark appears to be going strong as they…

The Boom in Pearls

Pearl prices and demand continue to rise thanks to Asia’s appetite for the gems, designer interest, and the marketability of their one-of-a-kind offerings. Aziz Basalely’s most interesting pearl sale in Tucson wasn’t an oversize peacock-color Tahitian or…

Emeralds from Ethiopia

Emeralds are a welcome business for Ethiopia. The recently discovered gemstone deposits in Ethiopia contribute to the utterly needed economic growth of this East African nation.   A few years ago, during an interview on international TV, a…

Grandidierite

Grandidierite has been a rare collector’s stone since its discovery in Tuléar Province, Madagascar at the end of the 19th century. It is a nesosilicate with a chemical formula of (Mg,Fe)Al3(BO4)(SiO4)O and crystalizes in the…