This natural color ruby with gray-blue kyanite sphere measures 2.7 inches in diameter. ***It was hand-ground and polished from natural purplish-red ruby with gray-blue kyanite rough that was mined ethically and respectfully n India. Natural ruby in kyanite sphere weighing 1.37 pounds (621 grams) ***This genuine ruby in kyanite sphere measures 2.7" diameter (68mm) Sawn and polished from natural ruby rough mined respectfully in India ***See also a back-view of this ruby with kyanite sphere. A Certificate of Authenticity from our main website mineralminers.com will accompany this one of a kind Ruby sphere at no additional charge to you. Primary picture was taken inside under fluorescent lights. Ruby is very popular today for metaphysical use - Ruby is know to improve ones energy and concentration, creativity, loyalty, honor and compassion. Ruby is said to stimulate heart chakra and bring spiritual wisdom while shielding against psychic attacks. If you would like to learn more about Ruby/Corundum Minerals, please go to our Corundum Educational and Information Page at; https://mineralminers.com/html/corminfo.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!