👉 Copestone is a type of rock that is typically found in the eastern United States, particularly in the mountains and valleys near the Pacific Ocean. It is composed of calcite, which gives it its distinctive gray or brown color. Copestones are characterized by their thin, smooth surfaces and are often used as decorative elements on buildings, bridges, and other structures. The term "copestone" is derived from the Greek word "cope", meaning "to form". In the context of rock
