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an image of a piece of glass with a stone inside of itan image of a very large piece of opalitean image of a piece of rock that looks like a piece of glass
SADDE HÔTEL DES VENTES DE DIJON

83 - Collectors’ minerals. Gem-quality opal on polished hard matr…
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Estimate €200 - €300
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Description
Collectors’ minerals. Gem-quality opal on polished hard matrix (boulder opal). Approx. 5 x 3.8 x 3.6 cm. Approx. 91 g. Quilpie, Queensland, Australia. Formerly part of a French collection. An opal specific to this region, formed by the infiltration of silica into the cracks of iron-rich nodules. Low in water content, stable, with vivid colours; highly prized in jewellery.
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About the sale DIJON- CABINET DE CURIOSITES #13 (Archaeology. Asian art. Minerals. Fossils. Meteorites. High period. Curiosities)
Auction location
Auction time 09/14/2026 at 2:00 PM
Pictures credits: Contact the Auction House
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