set of various raw stones on white

asbestos azurite background chalcedony chrysolite collage collection crystal crystalline diabase dolerite dunite gedrite gemological gemstone geological geology isolated lot malachite many microgabbro mineral natural normandite object olivine olivinite paragonite peridotite piece pink quartz raw richterite rock rose rough sample set shale shungite specimen spreusteine stone surface urtite various white xonotlite