李迪克碧玺是一种含钙丰富的锂电气石，于 1977 年被确认为独立矿物种别，其命名是为了纪念 Richard T. Liddicoate（理查德·T.·李迪克），他是 GIA 的第二任校长，被誉为“现代宝石学之父”。

2014 年假日季珠宝和手表销售总额比去年十一月和十二月下降了 1.4%（按价值计）。

Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.

Reports preliminary findings—based on FTIR and Raman spectrometry of more than 300 samples—on distinguishing natural and synthetic emeralds using vibrational spectroscopy.

Describes the extremely rare polished pink diamonds from Australia’s Argyle mine that have been sold for 30 years through invitation-only tenders.

Presents spectroscopic and phosphorescence data of the Blue Moon, a 12.03 ct Fancy Vivid blue diamond discovered at the historic Cullinan mine in early 2014.

What appeared to be high-quality jadeite was actually dyed green marble with calcite as the main mineral.

Although this stone bore some superficial resemblance to moissanite, its gemological properties were consistent with HPHT synthetic diamond.

Review of Mimi Lipton's Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones.

Review of Damiani: Alchemy of Desire.

Review of Yvonne J. Markowitz and Denise Doxey's Jewels of Ancient Nubia.

Strong absorptions from N-V centers were the main cause of a CVD synthetic diamond’s pinkish orange bodycolor.

Melee diamonds can be efficiently screened for synthesis and treatment using infrared absorption spectroscopy, DiamondView imaging, and microscopy.

The Stayish mine in Ethiopia’s Wollo province has been producing black opal since 2013.

Auction price records were broken in late 2014 as ultra-wealthy buyers vied for rare, important gemstones.