Where can you get Orichalicum in Kingdom Hearts 2

Find Bulky Vendors in the worlds and keep on waiting until they only have one bar of life and maybe they might drop orichalicum and orichalicum+ Find Bulky Vendors in the worlds and keep on waiting until they only have one bar of life and maybe they might drop orichalicum and orichalicum+ Find Bulky Vendors in the worlds and keep on waiting until they only have one bar of life and maybe they might drop orichalicum and orichalicum+