Ethical and Sustainable Vertical Integration in the Sapphire Market
The recession of 2008 transforms a gem business into a vertically integrated operation.
Exceptional Freeform Tanzanite and Oregon Sunstone Rings
A family sources, designs, and carves gems for extraordinary jewelry and pieces.
Fine Gems and Update from Myanmar
A look at top-quality gems and insight into a delegation’s visit to gem mines in Myanmar.
Gem Paintings from Thailand
Paintings created from uncut gem fragments are seen at Tucson’s GJX show.
Golden Rutilated Quartz Artisanal Mining Community
Plans to develop a collective in a remote Brazilian rutilated quartz mining community are unveiled.
Importance of the Secondary Market for Fine Gems
Exceptional gems that are recirculated in the gem market make an impact at the Tucson shows.
Jewelry Industry Summit
A report from the second Jewelry Industry Summit, held in Tucson, Arizona on January 29–30, 2017.
Magnificent Sapphires from Montana’s Rock Creek Mine
A look at the 2016 sapphire production from Montana’s Rock Creek deposit.
New Designs from Paula Crevoshay
World-renowned jewelry artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.
A New Discovery of Emeralds from Ethiopia
A report on a new Ethiopian source of high-quality emerald.
Magnesio-Axinite from Merelani, Tanzania
A rare find from a limited occurrence in Tanzania’s Merelani Hills, along with a “Merelani mint” garnet, is seen in Tucson.
Three Faceted Collector Specimens
Three mineral species, not previously seen in the Carlsbad lab, are examined.
Unusual Dark Orangy Red Cordierite
A cordierite with a color not seen in the GIA lab is examined in New York.
The Role of Silicon in the Color of Gem Corundum
Considers the previously unreported but critical impact of silicon on the coloration of gem-quality sapphire.
.jpg "YMAL GIA Ed")
