Introduction Clinohumite, (Mg,Fe)9(SiO4)4(F,OH)2, is a mineral species in the humite group which also includes humite, chondrodite, and norbergite. These species are easily confused with each other as they have similar properties that often overlap. The relative…
Gem NotesDealers are confident that the new year will see an uptick in business for the U.S. colored stone trade. Expectations for the Tucson Gem shows are very upbeat. It is expected that business at the…
Colored Stone MarketAlthough a large quantity of rough continues to hit the market, the diamond market at the wholesale polished level remains mostly unchanged. Supply is currently greater than demand due to rough production. Synthetic diamond melee…
Diamond MarketThink of the beautiful glowing skin of a healthy baby or the dewy complexion of a beautiful young woman. These are excellent analogies because healthy skin has qualities similar to the skin of a pearl…
Featured ArticlesThe first diamond operation in Europe, Russia’s Lomonosov mines near the port of Arkhangelsk is set to double diamond production this year to over four million carats. Little has been written about diamonds from Russia’s European side, but in…
Featured ArticlesThe fact is that consumers have more money this year, but are by no means are most flush with cash. It has been thought-provoking to observe the gem and jewelry market throughout 2016. Gem dealers had…
*Gem Focus & Market Pulse (Free Subscriber)Synthetic Diamonds There is a growing concern over undisclosed synthetic diamonds, especially in melee sizes detected in salted parcels. Consumer confidence is being threatened due to an increase in undisclosed synthetic diamond entering the market. Recent announcements…
*Gem Focus & Market Pulse (Free Subscriber)Availability of bigger and higher quality garnets occurring in a range of colors, including the color-change variety, has been noticeable during recent gem shows. The use of garnets as a gem material has been known…
Market TrendsThe sentiment echoed by participants of the fourth annual Northwest Jewelry Conference (NWJC), August 12-14 Seattle, Washington, was “thought-provoking.” While history, artistry and collectability have become hallmarks of the NWJC, students were drawn into interesting…
ConferencesIntroduction Kornerupine is a mineral species with the formula Mg3Al6(Si,Al,B)5O21(OH). It crystallizes in the orthorhombic system. The minerals kornerupine and prismatine were once considered to be the same mineral, but microprobe analysis proved that the two…
Gem Notes