Books: Gemstones of the World
Beryllium in Blue Sapphires, Both Natural and Diffusion-Treated
Overview and commentary on the 2013 InColor article “Blue Sapphires and Beryllium: ‘An Unfinished World Quest.’”
Assembled “Pearl” Filled with Wire
Microradiography reveals wire fillings within a “pearl” created from two separate specimens.
Polymer-Impregnated Aventurine Quartz, a New Imitation of “Ice Jade”
A bangle, thought to be jadeite jade, is revealed by laboratory testing to be polymer-impregnated aventurine quartz.
Cultured Pearl Market Update – Tucson 2014
Cultured pearl market update from the 2014 gem shows in Tucson, Arizona.
A Look Inside a Remarkably Large Beaded South Sea Cultured Pearl
A study of the nacre and the cavity of a large Pinctada maxima cultured pearl yields a theory on the specimen’s formation.
香港鉴定所鉴别出超过 1 克拉的圆形 CVD 合成钻石 (英语)
Advances in CVD growth technology have resulted in crystals that yield well-proportioned round brilliant cuts.
CVD 合成钻石不寻常的 DiamondView 图片 (英语)
Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.
来自 AOTC 集团近无色的高温高压合成钻石 (英语)
Presents the gemological and spectroscopic properties of a suite of synthetic diamonds grown by AOTC using high pressure and high temperature.
图书:《David Webb — 杰出的美国珠宝匠》(David Webb – The Quintessential American Jeweler)
《David Webb — 杰出的美国珠宝匠》(David Webb – The Quintessential American Jeweler)(作者:Ruth Peltason)的书评
