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Chemical Formula: Cu₂CO₃(OH)₂
Unlike uniform gemstones
educational displays
Keep rough material out of reach of children and pets
This specimen formed in gas cavities (vesicles) within ancient basaltic lava flows
Bivalve (Pelecypoda) Fossil Sea Shell with Chalcopyrite | Mineralized Fossil Specimen | Indonesia Dogtooth Chemical Formula: Cu₂CO₃(OH)₂This 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
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