Pyritized Ram's Horn Oyster - Fossil Quality:Staff Pick These are bound together along

These are bound together along one edge (hinge line) by a flexible ligament

Chemical Composition: FeS2

Product Title: 150 grit diamond plated burr set

They were also used to butcher animals and dig tubers for animals and water

5 Micron - Mirror finish (Pink) - 8000 grit

Pyritized Ram's Horn Oyster - Fossil Quality:Staff Pick These are bound together alongMined from: Grayson County, Texas, USA Era: Lower Cretaceous Age Geological Age: 105 mya Description: This is a Ram's Horn Oyster fossil from Texas that has been pyritized to give it a shimmer of light. They are small and delicate. These oysters lived during the Cretaceous period and lived in shallow coastal waters. They fed on food particles that were filtered out from the ocean water. Approximate Size of 1 piece: 28mm x 20mm x 16mm Approximate