Stones used howlite and tree agate , these stones have multiple benefits like calming stone and it can help its wearer to reduce their own levels of stress and anger, as well as anger that is directed towards them. Howlite absorbs negative energy and its calming qualities are thought to also help reduce insomnia as it relieves and unburdens an overactive mind.boost the immune system and balance water in the body. Agate gemstones in general are believed to have a quiet energy associated with the heart chakra. Agate strengthens relationships, promotes composure and offers a warm, protective quality to the wearer.