Gypsum Selenite has many interesting properties and has a unique crystal habit. Many Gypsum crystals are found perfectly intact without distortions or parts have broken off. Such crystals are found in clay beds as floater crystals, where they fully form without being attached to a matrix. Gypsum crystals are known for their flexibility, and slim crystals can be slightly bent. It is not recommended to bend good crystals, since they are only slightly flexible, and if flexed just a bit too much they will break.