What is Common Opal?

Common Opal is a specific type of opal that usually exists in one color, and has no play-of-color when flashed with light. Unlike precious opal, common opal appears to be “glassy” with transparent and translucent properties. A common blue opal or fire opal gemstone will predominantly reflect one pigment of color from any viewpoint. Please refer to the photograph below for an example of a common opal stone. Updated February 23, 2021.

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