Wood opal

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Wood opal

Wood opal is a form of petrified wood which has developed an opalescent sheen or, more rarely, where the wood has been completely replaced by opal. Other names for this opalized sheen-like wood are opalized wood and opalized petrified wood. It is often used as a gemstone.[1]

References[edit]

  1. ^ GEM HUNTER By George Frangoulis