This piece of natural moonstone is translucent to semi-transparent. ***It is unheated and untreated, and it could be used as superior grade lapidary rough make cabochon gems or a carving with beautiful flashes of natural blue iridescence at certain angles. Moonstone Mineral Specimen Dimensions: 3" x 1.8" x 1.7" Found by local miners ethically and respectfully in Tanzania See also a view of the opposite side of this moonstone lapidary grade rough specimen. A Certificate of Authenticity from our main website mineralminers.com will accompany this beautiful mineral specimen at no additional cost. Moonstone is very popular today for metaphysical use, Moonstone is know to be a stone of inner growth and strength. It soothes emotional instability and stress, and stabilizes the emotions, providing calmness. If you would like to learn more about Labradorite, please copy and paste this link to our Labradorite Educational and Information Page at; https://mineralminers.com/html/labminfo.htm#labradorite-facts-information 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!