Do you want to compare Mary Jane with Amethyst? Discover the powers, weakness & weapons of Mary Jane and Amethyst from Mary Jane Biography and Amethyst Biography. Find out all about Mary Jane and Amethyst.# Check out how is Mary Jane unique and distinct from Amethyst. Discover their love interest, sidekicks, family tree and the movies and games list in which Mary Jane and Amethyst have appeared. Find out everything about them here!