This naturally terminated crystal is transparent with three distinct natural color zones inside; it is medium-dark blue at the naturally terminated tip then medium-dark yellow-green in the middle, and then becomes medium-dark pure green at the base. Away from the light source this dark tourmaline crystal appears almost black, but when held to a light the beautiful colors are visible as shown. ***The terminations are in good overall condition with some naturally abraded areas. Natural color tourmaline weighs 47.22 carats ***Tourmaline Crystal Dimensions: 1.1" long x 0.55" x 0.5"(28mm x 14mm x 13.5mm) Mined ethically and respectfully in Minas Gerais, Brazil There are some faint inclusions along one side, and there is a large facet grade area inside as well. ***This natural color tourmaline crystal will yield a single lightly included tri-color faceted gem weighing over 20 carats, or it could be faceted into a single VS clarity faceted gem from the beautiful medium-dark blue area (indicolite tourmaline) weighing over 7 carats! See a side view of this gem grade tourmaline crystal. See also an opposite side view of this multi-color tourmaline crystal. ***A Certificate of Authenticity from our website mineralminers.com will accompany this beautiful item. Multi Color Tourmaline is very popular today for metaphysical use - Multi Color Tourmaline is said to strengthen weak souls and bring about selfconfidence to the bearer. It is also said to helps release tension and anxiety and increases one's level of tolerance. To learn more about Tourmalines, please copy, paste and visit our Tourmaline Educational and Information Page at; https://mineralminers.com/html/touminfo.htm#tourmaline-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!