White to light grey with darker grey markings. Often dyed and sold inaccurately as turquoise. Howlite is believed to strengthen memory and stimulate the desire for knowledge and learning. Helps to calm the mind, teach patience, and eliminate stress, pain, and rage. Facilitates communication and helps one express their emotions. Helps relieve anxiety. Associated with Gemini. Believed to aid teeth, bones, soft tissue, and osteoporosis.