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Idaho Opal Stones

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Buy American Opal Idaho Stones

Idaho USA,This opal was formed in volcanic rocks around 4 million years ago by geysers. When a geyser erupted, the liquid contains tiny spheres of silica would form thin layers of precious opal. The opal colour bar is very thin but ideal to make opal triplets.

This opal can be stabilized as same treatment to Ethiopian opals