Australian Opal Cutters PreStyled Sets Australian Boulder Opal Pendant Set in 14K Yellow GoldAustralian Opal Cutters PreStyled Sets Australian Boulder Opal Pendant Set in 14K Yellow GoldAustralian Opal Cutters PreStyled Sets Australian Boulder Opal Pendant Set in 14K Yellow Gold

Australian Opal Cutters PreStyled Sets Australian Boulder Opal Pendant Set in 14K Yellow Gold

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Boulder Opal - Natural Opal Type 2. Found in Queensland, Australia, it forms as silica saturated water filled cracks in the agate with the molecules assembling in a precise geometric array generating striking colour play. Arguably the rarest form of Opal. Guaranteed free from dyes and artificial treatments.