These natural color specimens of blue kyanite in quartz are sold individually They were mined ethically and respectfully in Brazil. ***They have not been heated or treated in any way. They are completely natural. We have these natural blue kyanite in quartz matrix specimens available in small to medium sizes that are ideal for metaphysical uses. ***Kyanite is very popular today for metaphysical use, Blue Kyanite is said to be very useful in broadening one's perspective, and in reaching a better understanding with others. Kyanite is also said to bring calm and tranquility, and to facilitate meditation. ***These natural blue kyanite in quartz specimens also are perfect for inexpensive mineral collections. To learn more about Kyanite, please copy, paste and visit our Kyanite Educational and Information Page at; https://mineralminers.com/html/kyaminfo.htm##kyanite-info At MineralMiners.com your satisfaction is our top priority! We guarantee Unique Items, Superb Energy and Collector Quality at Miner's Prices! ? Have a "Gem" day!