Calcite Crystals

Date: Cretaceous Period (145-65 million years old)

 

Description: These calcite crystals were found in the limestone deposits of Stone State Park. Calcite, or calcium carbonate, is a major component of limestone and is largely made up fossilized sea shells. These fossilized shells become crystalized deep in the earth and form the crystals seen in this example.

 

Donor information not available.

 

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