It is said to be effective at clearing out old energy patterns and increasing personal motivation and drive. It is also known as a mind stone as it increases memory and the abilty to learn quickly and efficiently. Its great to have on your desk during revision, tests etc. Calcite is bar far the best stone for anyone studying.
It is a powerful energy cleanser amplifier. The energy of Calcite purifies and cleans out negative energy from pretty much anywhere, including within you.