Selenite also known as the Angel's Crystal, not only for the colour but for the angelic energy this crystal brings to its carrier. It is also an excellent tool to help and bring a calming energy when meditating. 
Selenite is also believed to bring clarity and help assist judgement, overall Selenite is a very powerful stone to have. 
Please Note: Natural gemstone or semi-precious stone comes from mineral. Due to the naturality, the stones may have a tiny flaw. Meanwhile, cutting or polishing also makes every piece of gemstone vary in colour and size. Image may look different (colour) due to many monitor or device resolutions.