
使用 LA-ICP-MS(激光剥蚀电感耦合等离子体质谱仪)鉴定自然色的铬玉髓
一篇关于使用微量元素 LA-ICP-MS(激光剥蚀电感耦合等离子体质谱仪)分析以确定铬玉髓的着色剂(天然或人工)的报告。
提升你职业生涯的 10 大技巧
在拉斯维加斯举办的 GIA 2009 年小型珠宝招聘会上,Honora 的 CEO Joel Schechter 与我们分享了他父亲 Stanley Schechter 教他选拔模范雇员身上要具备的重要特质 — 忠诚、诚实,尊重他人和关注细节 。
The “Type” Classification System of Diamonds and Its Importance in Gemology
Knowledge of type allows gemologists to better evaluate if a diamond might be treated or synthetic, and whether it should be sent to a laboratory for testing.
Summer 2009 G&G Lab Notes
This section, from the Summer 2009 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Characterization of Peridot from Sardinia, Italy
Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore.
Natural-Color Purple Diamonds from Siberia
Twelve natural-color purple diamond crystals from Siberia were studied using spectroscopic methods to better understand their color and its causes.
Hackmanite/Sodalite from Myanmar and Afghanistan
Significant amounts of gem-quality sodalite/hackmanite—some unusually transparent—have been produced.
Identification of the Endangered Pink-To-Red Stylaster Corals by Raman Spectroscopy
All corals within the Stylasteridae family (including the Stylaster genus) are listed in Appendix II of CITES.

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