This naturally terminated black tourmaline crystal has trigonal prismatic form with well-developed second-order hexagonal prismatic faces. ***This tourmaline crystal is completely natural, just as it was found in the earth. This unique black tourmaline crystal measures 2.7" x 2.1" x 1.9" ***Genuine black tourmaline mineral specimen discovered respectfully by native miners in Brazil The prismatic faces and the terminations of this natural black tourmaline specimen are in good condition with some minor abrasions and a small amount of schist matrix on some surfaces. ***A Certificate of Authenticity from our main website www.mineralminers.com will accompany this unique Black Tourmaline item. Primary picture was taken inside under fluorescent lights, additional photos and video was taken outside under indirect sunlight, no filters or color enhanced was used on any pictures or video. If you would like to learn more about Tourmaline, please copy and paste this link to our Tourmaline Educational and Information Page at; https://mineralminers.com/html/touminfo.htm 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 and Thank you for visiting our Shop!