Found in Madagascar, celestite it is composed of strontium sulfate. The sky blue or celestial colour of this crystal makes it very popular among collectors. Celestite open and clears the 3rd eye & crown chakras. It is an ideal serenity stone. It helps clear infections or attachments. As a healing stone, celestite is great for promoting communication skills and clarity of mind. It is also excellent for use in dream recall and astral travel.