specimens of various raw rocks with names cut out

mineral rock natural stone name set collection gemstone gem raw rough uncut sample specimen isolated cutout cut white spinel ruby emerald titanite sphene sapphire indicolite fluorite realgar creedite hessonite grossular hulsite eudialyte aerinite kyanite malachite azurite belomorite tenorite opal pinnoite amethyst chrysoprase carborundum selenite howlite zoisite aragonite