👉 Atelastite is a mineral that is commonly found in the Earth's crust and is a type of calcite. It has a high melting point and is highly reactive, meaning it can react with many different substances to form new compounds or change its chemical structure. Atelastite is composed of two types of calcium carbonate, which are bonded together by a carbon-carbon bond, and one type of aluminum oxide, which is also bonded together. These two types of ions interact through the process