大而罕见的钻石揭示地幔的内在活动
这是文章“来自于地球深层地幔中金属液体的宝石级大钻石”的扩展摘要，发表于2016年12月16日的《科学》 期刊。 GIA 博士后研究员Evan Smith（埃文·史密斯）博士是整篇文章的主要作者。
Diamond Growth from C–H–N–O Recycled Fluids in the Lithosphere: Evidence from CH₄ Micro-inclusions and δ¹³C–δ¹⁵N–N Content in Marange Mixed-habit Diamonds
Article was published in Lithos Volume 265, 68-81.
Iridescent Inclusion in Tanzanite
A tanzanite displayed crystallographically aligned, vividly iridescent colors resulting from fine separations along the stone’s cleavage planes.
Unusual Purple Inclusion in Emerald
Microscopic examination of an emerald revealed a purple banded inclusion with the appearance and optic character of fluorite.
Screening of HPHT Synthetic Melee With Natural Diamonds
A screening service allows the lab to screen for synthetic material in diamond melee parcels.
Update on Colored Gemstone Mining in Tanzania
Reports on an expedition to many known and new Tanzanian gem localities.
Quarterly Crystal: Quartz with Axinite
The first visual record of axinite inclusions in quartz published in the gemological literature.
Peridot from the Central Highlands of Vietnam: Properties, Origin, and Formation (英语)
Analyzes the gemological and geochemical characteristics of peridot from the Gia Lai province alongside specimens from other localities to gain insight into its formation.
Etch Marks, Negative Crystals, and Etch Tubes in Spinel from Madagascar
A spinel from Madagascar, mixed in with a parcel of blue sapphire, exhibited an array of internal features.
长波紫外线辐射下蓝色锆石的可逆颜色变异 (英语)
Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.
Trapiche Rhodochrosite (英语)
Reports on exceptionally rare trapiche-patterned rhodochrosite from the famed Capillitas mine in Argentina.
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