Opalized 80 million years old Ammonite measuring 2 ft. in diameter,
9yro.tumblr.com/post/112373055659/
9yro.tumblr.com/post/112373535279/
9yro.tumblr.com/post/112373611784/
9yro.tumblr.com/post/112379263834/
9yro.tumblr.com/post/112379381474/