u can get a moonstone from Lenora from the pinwheel forest after defeating team Plasma
EDIT/YOU CAN FIND SOME IN THESE PLACES:Pinwheel Forest (From Lenora), Twist Mountain, Wellspring Cave (Dustcloud), Chargestone Cave (Dustcloud), Mistralton Cave (Dustcloud), Twist Mountain (Dustcloud), Challenger's Cave (Dustcloud), Victory Road (Dustcloud), Giant Chasm (Dustcloud)
YOU CAN BUY ONE HERE/Shop:Black City
