Section 14 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal and articles thereof; imitation jewellery; coin 71 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal and articles thereof; imitation jewellery; coin 71 10 Platinum, unwrought or in semi-manufactured forms, or in powder form 71 10 41 Iridium, osmium and ruthenium; unwrought or in powder form Commodity Code Description 71 10 41 00 Iridium, osmium and ruthenium; unwrought or in powder form