Book Review – The Value of Colours
This is a story about Idar-Oberstein, the history, the gems, and the 400 year history of the Wild family. The back cover of the book states that “Wild lets the reader look into his safe…
Book ReviewCo-Glass and Sapphire Composites
During a December trip to the 2012 GIT Conference in Bangkok, Thailand, the author purchased several blue stones claimed to be (Cobalt) Coglass filled sapphires. General observation seemed to confirm the blue sapphire color with…
Gem NotesPearls Shine in Tucson
The members of the annual Friday morning pearl walk organized by GemGuide advisor Lois Berger experienced the changes first hand. Dealers representing each of the major cultured varieties—Akoya, Tahitian, South Seas and Chinese Freshwaters—were reporting…
News ArchiveIn The Land of Zultanite
The Milenyum Diaspore mine is the world’s only known deposit of gem quality Diaspore. The mineral diaspore is mined in many locations around the world, but no other are currently known that produce this beautiful…
Featured ArticlesGIT 3rd International Gem and Jewelry Conference
Thailand has been known as the center of colored stone trading for decades. Gem trading not only has a prominent role in Thailand’s economy but also influences the world gem and jewelry market. The Gem and…
Featured ArticlesPost-Conference Excursion to Ruby Mines in Thailand and Cambodia
Following the GIT Conference in Bangkok, a three day excursion visited legendary ruby mines in Chantaburi, Thailand and Pailin, Cambodia. This truly unforgettable experience of covering two countries within three days was a rare opportunity not…
Featured ArticlesDiamond Market
Rough prices are stable. Slight decreases still felt in some diamond categories but expectations are for possible increases later in the year. Antwerp markets still apprehensive with bank changes there. In the US, SI and…
Diamond MarketTucson and Beyond
With better than expected attendance and serious buyers, Tucson exceeded expectations for most gem dealers. The high end is still strong but the middle is slowly coming back. Red, pink, and lavender spinel colors all…
News ArchiveGem Market Pulse February 2013: Tucson Gem Show
The February Tucson Gem Shows were better attended than at any time in the past few years. Buyers were searching mostly for finer quality material. Red, pink, blue and green gems were particularly popular as…
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