Yoperlite appears to be an ordinary stone at first glance, but it is a mysterious stone with the property of glowing orange or pink when exposed to ultraviolet light. Yoperlite was discovered in 2017 in Lake Superior, Michigan, USA. The name comes from the nickname "Yoopers" for the people who live on the Upper Peninsula, which faces Lake Superior. As a new type of stone, it is a rare stone that is hardly distributed in the Japanese market. Yoperlite is said to have the effect of protecting the owner from evil while supporting the fulfillment of wishes. It can also be expected to alleviate negative emotions such as anxiety and fear, and to break bad habits, which will stabilize the mind and give you confidence in yourself. It is recommended for those who have lost confidence because it will help you gain confidence. Yoperlite helps to remove fixed ideas and to make judgments with rational thinking. It is also recommended for students who are studying hard and people who are working in research. In addition, it attracts freedom and joy, so it will help you to be freed from trauma and to enjoy yourself while adapting to all kinds of changes. It is also good for people who have difficulty adjusting to a new environment to have it as a talisman. Yoperlite is a stone that glows when exposed to ultraviolet light, so it is said to have the effect of cultivating the ability to see through the essence that is not apparent at first glance, and the heart to uphold one's beliefs like the sun's rays. Large one: 5cm x 4cm (maximum part) Small one: 4cm x 3cm (maximum part) It is a mysterious stone.