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Indonesian Opal Stones

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Buy Indonesian Opal Stones

Indonesian volcanic opal is a fossilized wood opal found in select regions of Indonesia, prized for its jet-black coloration when mined. To enhance its appearance, opal miners wrap these specimens in aluminum foil and heat them with added oil, allowing the oil to permeate the stone.


This unique opal often exhibits a branch-like configuration when shaped into cabochon stones. While its body tone does not classify it as N4 or above, it remains highly valued among opal collectors for its vibrant colors and affordability.