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Large freeforms
Mirror-like metallic polish
modern crystal decor
many mineralogical studies classify it closer to orbicular chalcedony or silicified rhyolite
geology education
Bivalve (Pelecypoda) Fossil Sea Shell with Chalcopyrite | Mineralized Fossil Specimen | Indonesia China Large freeformsThis exceptional bivalve (Pelecypoda) fossil sea shell from Indonesia is a striking fusion of deep geological time and mineral transformation. Once a living marine organism, this shell has been preserved through fossilization and later enhanced by the natural crystallization of chalcopyrite, creating a stunning contrast between ancient biological form and metallic mineral growth. The fossil retains clear bivalve morphologyribbing, curvature, and shell
US$ 155.00
US$ 137.76
US$ 10.00
