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Description

Collectable minerals. Magnificent gem opal on polished gangue (Boulder opal). L. 17 x 6 x 4 cm. 800g. Quilpie region, Queensland, Australia. Mine depleted. Former French collection. Opal specific to this region, formed by the infiltration of silica into the crevices of iron-rich nodules. Low water content, very stable, very vivid colors. Highly prized in jewelry, cut and presented with its very hard gangue to accentuate the vividness of its colors.

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Collectable minerals. Magnificent gem opal on polished gangue (Boulder opal). L. 17 x 6 x 4 cm. 800g. Quilpie region, Queensland, Australia. Mine depleted. Former French collection. Opal specific to this region, formed by the infiltration of silica into the crevices of iron-rich nodules. Low water content, very stable, very vivid colors. Highly prized in jewelry, cut and presented with its very hard gangue to accentuate the vividness of its colors.

Estimate 400 - 600 EUR

* Not including buyer’s premium.
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Sale fees: 25 %
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For sale on Tuesday 03 Sep : 14:30 (CEST)
dijon, France
Sadde Hôtel des ventes de Dijon
+33380684680
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