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Jewelry News — October Birthstone

Opals, the Opus of October

Elizabeth Simpson

Tags October Birthstone, Opal Jewelry, Opals

Opals, the Opus of October

Ancient Romans thought that opals were the most precious of all stones because they contained all colors. Is there anything more amazing than the explosion of color that high quality opals flash? They’ve been prized throughout history for this unique property. Ever wonder what gives opals that flash of a kaleidoscope, that play of color? Opals are made of silica, which is a water based substance that forms in the cracks of rocks. Over time the water evaporates, leaving the silica to form round crystals. When the crystals grow, they create patterns which reflect light like rain through a rainbow....