This genuine alexandrite gemstone has a strong color change from medium green in daylight (see upper photo) to purplish hues under incandescent light (see lower photo). ***This natural alexandrite gemstone was faceted from a natural alexandrite crystal that was mined ethically and respectfully in Brazil. This completely natural alexandrite gem has not been heated or treated in any way. ***This alexandrite gem faces up eye clean (GIA: Type II Gem, Clarity Grade: VS) other than some natural cats eye chatoyancy at certain angles. This natural alexandrite gemstone weighs 0.38 carats ***Alexandrite Gemstone Dimensions: 5.7mm x 3.9mm x 2.3mm deep Gemstone Shape: faceted oval ***This color change alexandrite gem was faceted from natural alexandrite rough mined in Brazil. Alexandrite is very popular today for metaphysical use, Alexandrite is a stone of prosperity, luck, and longevity. It will balance your thoughts and emotions, as well as pacify your soul to encourage spiritual growth. To learn more about Alexandrite, please copy, paste and go to our Alexandrite Educational and Information Page at: https://mineralminers.com/html/alxminfo.htm#alexandrite-information A Certificate of Authenticity from our main website www.mineralminers.com will accompany the unique and one of a kind gemstone at no additional charge. 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!