Iridium is one of 31 transitional metals and one of a handful of precious metals along with gold, silver, platinum and palladium. With a limited mining rate and location, iridium is a rare precious...
Iridium is one of 31 transitional metals and one of a handful of precious metals along with gold, silver, platinum and palladium. With a limited mining rate and location, iridium is a rare precious...