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Books: The Art of Bulgari:La Dolce Vita and Beyond, 1950–1990
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.
Neptunite Inclusion in Benitoite
The Early History of Gemstone Treatments
Fall 2012 Gem News International
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Well-Formed Rutile Star in Quartz
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.
The Museum of London’s Extraordinary Cheapside Hoard
The history and mysteries behind a treasure of jewels hidden during the 1600s, a window to the past being fully opened to the public for the first time since a chance discovery a century ago.
General Gemology and Jewelry
