How is beach sand created

The sands of many tropical islands are snow white. Beaches in Hawaii can be white, black, green, or red. In Bermuda, sand is often pink. And most of the world’s beaches are a sandy brown. What creates those different colors? Why is some sand soft and fine, but other types feel rough? Where does beach sand come from, anyway?

Learn more: https://www.whoi.edu/know-your-ocean/did-you-know/how-is-beach-sand-created/