ITEM DETAILS - sizes may vary because its natural gemstones made by nature sizes are around 0.25-0.50 inches (5-8 mm) Lapis lazuli, or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color. ~ Healing ~ Friendship Love Inner truth Inner power Positive magic Purification Intuition Self-confidence Manifestation A stone of protection that may be worn to guard against psychic attacks, Lapis Lazuli quickly releases stress, bringing deep peace. It brings harmony and deep inner self-knowledge.