Opal
Fireworks. Jellyfish. Galaxies. Lightning. Opal’s shifting play of kaleidoscopic colors is unlike any other gem.


Play-of-color patches in black opal display interesting written character patterns.
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A look at the variety of rough and finished Brazilian opal offered by Prime Gems at the GJX show.
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An ocean blue variety of opal from Chile was introduced at the 22nd Street show in Tucson.
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Opening day at the AGTA GemFair included the unveiling of the “Treasure Chest II with Blue Boy” intarsia jewelry box.
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Reports on the recent production of precious and common opal from a centuries-old locality.
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A newly developed treatment creates a phantom structure in opal visually similar to natural phantom opal.
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One of the finest specimens of double pseudomorph ikaite-calcite-opal ever unearthed was on display at the Pueblo Gem & Mineral Show.
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The life of one of Australia’s leading opal authorities is remembered.
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Ahmadjan Abduriyim receives 2021 JAMS award for his contributions to applied mineralogy.
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At the AGTA show, lapidarist James Carpenter explains his use of sugar/heat treatment to enhance opal.
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