Large iridescent opal ammonite. L 11cm. The... - Lot 298 - Vermot et Associés

Lot 298
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Result : 165EUR
Large iridescent opal ammonite. L 11cm. The... - Lot 298 - Vermot et Associés
Large iridescent opal ammonite. L 11cm. The shimmering iridescence with dominant red, very sought after, is due to the degradation of the aragonite during the fossilization of cephalopods. Mahajanga. Madagascar. Lower Cretaceous, Albian (100 million years).
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