The stone of patience and calm The antidote to insomnia. The crystal to have nearby when busy or working in a demanding environment. It will help to calm things down. It teaches us patience and helps to eliminate rage and uncontrolled anger. Crown Chakra Please keep in mind that each crystal is a naturally occurring element of the earth and may differ in size, shape, and surface texture. Your specific crystal may vary slightly from the one pictured. One Supplied.