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Opal Engagement Rings
Opal Engagement Rings Opal Properties Unlike traditional gemstones such as diamonds or sapphires, opals are a hardened silica gel with a water content of 5-15%. Opals are prized for their kaleidoscope of colors and have been compared to galaxies, fireworks, and even volcanoes. Australia, Brazil, Mexico, Africa, and the United States are the largest producers