This stone is a silent teacher of the soul, speaking in echoes of light and shadow! The beautiful raw Lapis lazuli stone features dark blue color with white calcite veins and golden specks of pyrite. Uniform dark Royal Blue to violetish blue without visible calcite and speckled with low level of pyrite is considered high quality stone in contrast to the pale blue stone with an excess of calcite or pyrite. Raw stone can be kept at a suitable place in the home or office. As a "Crystal for Sleep" Lapis lazuli is traditionally used to combat insomnia. Placing it beneath the pillow or on your nightstand can create a tranquil environment conducive to a restful sleep. It is believed to promote clarity of thought, openness and truthfulness. It is a protective stone that is used in meditation and other spiritual practices.