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Opal More than any other gem, each is distinctly individual. No other gemstone has such rich and varied a folklore.

Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity. There are many varieties of opal, including black opal, white opal, common opal (potch), chocolate opal, boulder opal, opal doublet, opal triplet, fire opal and. Opal's fire was long thought to be the result of iridescence. However, with the advent of scanning electron microscopes, we now know that it is a result of diffraction, and is known in the gem trade as play of color.

0-1 Carat; 1-2 Carat; 2-3 Carat; 3-5 Carat; 5+ Carat; Reduced to Clear. SOLID SEMI BLACK OPAL Quality opal. How To Hack Security Code Of Credit Card on this page. Manual payment. Code manual payment.

Opal is relatively soft, with a rating of 5.5-6.5 on the. Despite its frequent use in, opal is not the greatest choice as a ring stone; it is however, very-well suited for other types of, including, pins and. Settlers 2 10th Anniversary Maps.

Major suppliers include, Brazil, Ethiopia, Mexico, Peru and the United States. Values are normally determined by the presence and nature of color flashes, except in the case of, where body color is most valued.