Opalised Wood
Opalised wood is a form of petrified wood where the wood has been replaced with silica materials (in this case opal). Different mineral impurities will influence the colour. Hardness 5.5-6 (Mohs).
Opalised wood is a form of petrified wood where the wood has been replaced with silica materials (in this case opal). Different mineral impurities will influence the colour. Hardness 5.5-6 (Mohs).