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Sapphires form very slowly inside cooling igneous and metamorphic rocks as metals seep into aluminum oxide crystals
52" Ordovician Ophiurida Brittle Star
This enormous project involved over one hundred thousand scientists
Remove surface dust with a clean
Raptor Bone - 2.062" Fossil Fragment rockinaboxcelt Sapphires form very slowly insideOne of the most iconic dinosaurs of the Mesozoic, Dromaeosauridae (AKA Raptors) were fast moving, carnivorous dinosaurs that lived during the Cretaceous. With their delicate bones and possible flight abilities, it's speculated that Dromaeosauridae are closely related to modern birds. This specimen is a 2. 062" piece of fossilized Raptor Bone from the Hell Creek Formation. It comes complete with a photo card that serves as statement of authenticity.
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