22118 - Top Beautiful Huge 5.09 Inch Calcite Crystals from South Morocco Zarafasaura Teeth Collections dunklei there were two to

dunklei there were two to five barbs on each tooth

• Mississippian of Canada (7: New Brunswick

with an almost extraterrestrial aspect

Mexico (9)

It simply makes the specimen better preserved in the long term

22118 - Top Beautiful Huge 5.09 Inch Calcite Crystals from South Morocco Zarafasaura Teeth Collections dunklei there were two toHuge and sharp crystals of calcite from a new location unpublished in the mountains of the Erich region, Morocco. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". Other polymorphs of calcium carbonate are the minerals aragonite and vaterite. Aragonite will change to calcite over timescales of days or less at