'For use in jewelry & pen points, iridium is combined with this other silver-white metal'
platinum
IRIDIUM: For use in jewelry & pen points, iridium is combined with this other silver-white metal
For use in jewelry & pen points, iridium is combined with this other silver-white metal
For use in jewelry & pen points, iridium is combined with this other silver-white metal
IRIDIUM
platinum
IRIDIUM