Some interesting facts about calcite are that it is part of the Earth's crust and has the chemical name of calcium carbonate. Its chemical formula is CaCO3. Calcite is found in nature in many different shapes and colors and is a common mineral that is often collected.
Although calcite comes in different colors, this mineral usually has white streaks running through it. Some physical characteristics of calcite are that it is transparent and its crystal system is trigonal. When subjected to high heat, this mineral emits light.
A main application of calcite is in the construction field where it is used to make cement and lime and as limestone aggregate. Some other uses of calcite are in the production of glass and as paint extender.