There are several green tourmaline crystals exposed around its surfaces, the largest measures 4.3 inches long with a 3/4 inch diameter! ***This natural Green Tourmaline in pegmatite specimen has a matrix of quartz crystal with a small amount of clay minerals and mica. This green tourmaline in matrix specimen weighs 2.4 pounds ***Pegmatite Specimen Dimensions: 5.2" x 3.5" x 2.7" Discovered ethically and respectfully at Salinas, Brazil ***See a back view of this natural specimen of green tourmaline crystals in matrix. See also another view of these natural green tourmaline crystals in matrix. *** Additional pictures was taken outside under indirect sunlight, no photo enhancements or filters used. This amazing specimens comes with a Certificate of Authenticity from our main website mineralminers.com at no additional cost. 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. Green Tourmaline is very popular today for metaphysical use - Green Tourmaline is said to be a stone that warms the heart and helps one rejuvenate vital life force energy. It's vibrations help one tap into their emotional body to understand the emotions they feel. 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!