Unusual Purple Fluid in Quartz
Numerous negative crystals in a pear-shaped quartz host brightly colored purple liquid.
Iolite from the Thor-Odin Dome, British Columbia, Canada: Geology, Chemical Composition, Inclusions, and Cause of Chatoyancy
Reports on the geological setting and gemological properties of violet-blue gem cordierite from new deposits located in British Columbia.
New Deposit of Black Opal from Ethiopia
The Stayish mine in Ethiopia’s Wollo province has been producing black opal since 2013.
34th International Gemmological Conference
A report from the 34th IGC, held in Vilnius, Lithuania in August 2015.
Zeki Karaca Jewelry: Luxury Pens
Effects of Blue Fluorescence on Diamond Appearance, Color Treatment and Brightening of “Edison” Pearls, and a Pioneering Gemstone Market in Pakistan
Transparent Rhodonite with Clarity Enhancement
A clarity-enhanced rhodonite stuns with its exceptional size, transparency, and vivid color.
Neptunite Inclusion in Benitoite
Diamonds from Guyana, Ekanite from Sri Lanka, a New Amber Source in Vietnam, and More...
Burmese Blue Sapphire and Peridot from Mogok and a History of Emerald Mining in Habachtal, Austria
Blue Zircon Reportedly from Malawi
A reported new source of blue zircon in Malawi yields rough material for beautiful finished stones in the gem trade.
Chondrodite in Red Spinel from Mogok, Myanmar
Low-Temperature Heating of Mogok Ruby, Copper-Diffused Feldspar, Porcelain-Treated Turquoise, and the Work of Gem Artist Chi Huynh
Liberian Ruby
A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.
Luminescent Synthetic Garnet-Like Crystals
New Tourmaline Pockets in San Diego County’s Pala District
New Find of Petroleum-Included Quartz from Madagascar
Exceptionally Rare Pearls from ECIJA
Sixth Annual Gianmaria Buccellati Foundation Award Winner
A graduate of GIA’s Jewelry Design program in London is the recipient of the 2022 Gianmaria Buccellati Foundation Award.
Sweet Home Mine Rhodochrosite from 1888
A rhodochrosite on display at AGTA dates back more than a century to Colorado’s Alma Mining District.
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