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OPAL:Semi-precious stone which is a mineral of hydrated silica and is a species of quartz.There are three major types of Opals:Common opal,opalescent precious opal(white or black with rainbowlike iridescence,and fire opal(milky stone that is firey orange to red in color with no opalescence).Many opals have a high water content-they can dry out and crack if not properly cared for.

Beautiful Opal and Diamond brooch compliments of Bobye Syverson of Imageevent/TheEnchantedCastle.
Photo 32 of 40, OpalPin.jpg, 59KB, 577x640, 1123 Hits
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