The birthstone for October is the opal. Opals are known for the beautiful play of colors they contain. Because they show off every color of the rainbow, opals have been considered magical since ancient times. Arabic lore says that opals come from lightening!
The fiery colors within the opal are created by light refracting off microscopic spheres that make up an opal. The light is refracted at many different frequencies, each frequency resulting in a different color.
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