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Silver Opal Jewelry

The word Opal is derived from Latin word and the Sanskrit words which mean ‘precious stone’. Opal is an exceptional precious gemstone. They are found in volume in a few parts of Australia and small areas of South America and Mexico. It has been considered as the birthstone for the month of October and for the people with the zodiac signs of Libra. Opal is fashioned in the low temperatures in the mines and can also be extracted from the different stones having the composition of high deposits of silica. If one says that there is no comparison to the grace and attraction a jewel brings to a person when…

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Calibrated Opals

Calibrated opal is the term for opal that has been cut and polished in oval sizes that are on a calibrated scale. For example, A 6 x 9 millimeter calibrated opal is a standard size opal, and would go in well in a set of earrings or a ring but if you wanted a pendant you would want a bigger calibrated stone like a 14 x 10 millimeter. Most calibrated opals have been cut and polished in China were labor is cheap and fast. White opal is the most calibrated type of opal used because of its quantity available and it lower quality. Calibrating machines have been made to automatically…

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