Purchased on 2025.11.24 9mm Inner diameter 16cm ¥300 discount for purchases of 3 or more items! When requesting a combined purchase, please request with the price reduced by ¥300. Lapis lazuli is a gemstone characterized by its deep blue color, formed from a mixture of minerals such as lazurite, hauyne, nosean, and sodalite. Known as "ruri" (瑠璃) in Japanese, it has been revered as a "sacred stone" since ancient times and is also called the oldest power stone of mankind. It is said to possess strong mysticism and protective power, bringing good fortune and sound judgment. Features Color and Mineral Composition: Deep blue, often with golden pyrite grains scattered like stars, and white calcite is also commonly mixed in.