Sterling silver, 24K gold, Beautiful Labradorite. The "rocks" are fused silver, with a thick layer of 24K gold powder fused to some of them. 2-3/4" long from the posts.   PLEASE LOOK AT THE VIDEO, THE PHOTO OF THEM IN MY HAND AND THE HEAD SHOT, THIS WILL GIVE YOU THE BEST IDEA OF COLOR, AS WELL AS THE SCALE.  Exchanges only please.