News Archive

Mozambique Ruby

High prices for better corundum were easily observable during the Tucson Show this year. Although record prices are achieved at the auction level globally, there is now some pressure to keep prices down for good…

Gem Market Pulse February 2016: Tucson Gem Show 2016

The 2016 Tucson gem show had better than expected traffic and buying. North American buyers will drive the trends this year.                                                                                               …featured gem is Fire Opal The New Year got off to a shaky start as…

Conferences

The following summaries are for conferences where Gemworld participated. Not all speakers are listed, only a partial with information from their talks. Canadian Gemmological Association Conference Vancouver, Canada October 16-18, 2015 This was a special celebration year for the CGA conference…

Apatite

Introduction Apatite is a group of closely related species, namely fluorapatite Ca5(PO4)3F, chlorapatite Ca5(PO4)3Cl, and hydroxylapatite Ca5(PO4)3(OH). Fluorapatite is by far the most common species of the apatite group. Almost all gemstones are fluorapatite although rarely…