Definitions for "Adularescence"
An effect seen on certain minerals which causes it to display a billowy, rounded, ghost-like reflection with a bluish-whitish color emanating from the surface when the mineral is cut into a cabochon. It is caused by structural anomalies or build up of water in the mineral. The minerals most famous for exhibiting adularescence are Opal and Moonstone, and the name is derived from Adularia, of which Moonstone is a variety of.
A phenomenal effect; e.g., the billowing "moonglow" effect in moonstone.
The white or silver-blue haze displayed by top-quality moonstones and certain other gems.