Howlite is a white stone that often has a marble-like appearance. It was first discovered in Nova Scotia but is also found in some places in California. Howlite is particularly powerful calming stone as it helps to reduce anxiety, tension, stress, and anger. It is also helpful for for those who suffer from insomnia as it helps to slow the overactive mind to allow for deep, restful sleep. Howlite is known to be attuned with crown chakra, which means that wearing howlite inspires deeper thirst for knowledge and also is believed to enhance memory.