Spring 1989 Gem News International

Tucson ‘89
"Angelite"
Garnet
Man-Made "Inclusion" Specimens
Mother-of-Pearl Gambling Chips
Plastic Cameo Imitations
Synthetic Quartz
Tourmaline from Nigeria
Colored Stones
A Beautiful New Form of Orthoclase
New Emerald Deposit near Nova Era, Brazil
Record-Size Spessartine Garnet
Star Almandine Garnet from Idaho
Wollastonite for Carving
Instrumentation
New Developments in Spectroscopy
Synthetics and Simulants
Recent Advances in Gem Diamond Synthesis
Synthetic Diamonds by Detonation
Synthetic Diamond vs. Cubic Zirconia
Emerald Imitation from Quartz
Heat-Treated Lepidolite?
Imitations from Africa
"Reconstructed" Azurite-Malachite
Synthetic Amethyst Alert
Erratum
Mr. Francisco Muller Bastos: 1988 G&G Challenge
In Memoriam
Irwin Moed 1918-1988