

图书:《独特设计:Donna Schneier 藏品中的当代珠宝》 (Unique by Design: Contemporary Jewelry in the Donna Schneier Collection)
《独特设计:Donna Schneier 藏品中的当代珠宝》 (Unique by Design: Contemporary Jewelry in the Donna Schneier Collection) (作者:Suzanne Ramljak)的书评。

中国广东的硬玉加工和贸易中心
加入 GIA 团队,参观中国广东省繁华的硬玉交易中心。 随着行业领导者对错综复杂的宝石细节(复杂细节也是文化不可或缺的一部分)作出解释说明,您将观察到到少数西方人所理解的市场。


6 Tips for the Best Gem Photos
Renowned gem photographer Robert Weldon offers his tips for capturing the best gem photographs.

图书:《肯塔基州玛瑙:联邦州的州岩和矿物珍品》 (Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth) Douglas Kennedy
Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.

Shell Pearl as a Pearl Imitation
Examination of commercially-available “shell pearls” reveals imitation material.

Challenges and Opportunities

图书:《纽约州矿产收藏家指南》(The Collector's Guide to the Minerals of New York State) (英语)
Review of The Collector's Guide to the Minerals of New York State.

Record-Size Natural Moissanite Crystals Discovered in Israel
Natural moissanite crystals found in Israel have broken world records, with evidence of larger crystals in the area.

Books: In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels
Review of Franco Cologni’s In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels.

博茨瓦纳的闪烁瞬间 (英语)
Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.

图书:《戒指 — 象征权力、爱情和忠诚的珠宝》(Rings – Jewelry of Power, Love and Loyalty) (英语)
Review of Diana Scarisbrick’s Rings: Jewelry of Power, Love and Loyalty.
Jadeite Bangle with the Appearance of Polymer Treatment

Experimental Studies on the Heat Treatment of Baltic Amber
Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewelry market.

祖母绿的三相式内含物及其对原产地鉴定的影响 (英语)
Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

Unusual Optical Effect in Blue Sapphire | Gems & Gemology
A bluish violet sapphire shows surprising effects under lab examination.

Color Phenomena of Blue Amber
Investigates the presence of fluorescence, rather than iridescence, as the cause of color in blue amber from the Dominican Republic and Indonesia.

Rare Faceted Wurtzite

黄色化学蒸气沉淀法合成钻石 (英语)
A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.

.jpg)


