The Glory of Green Gems
Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewelry.
Reversible Color Modification of Blue Zircon by Long-Wave Ultraviolet Radiation
Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.
Vibrantly Colored Gems
Bill Larson of Pala International reports a very strong AGTA Tucson show.