From Single Source to Global Free Market: The Transformation of the Cultured Pearl Industry
Russell Shor
A Study of Nail-head Spicule Inclusions in Natural Gemstones
Gagan Choudhary and Chaman Golecha
Copper-bearing Tourmalines from New Deposits in Paraíba State, Brazil
Masashi Furuya
Natural Type Ia Diamond with a Green-Yellow Color Due to Ni-Related Defects
Wuyi Wang, Matthew Hall, and Christopher M. Breeding
Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).
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