(1) But since it was divested of most of its assets, it now concentrates on mining rare metals such as platinum , palladium and rhodium in Africa and other regions.(2) Owing to its high melting point, manufacturing platinum jewellery is also an art.(3) a platinum wig(4) Ruthenium is a precious metal, like platinum .(5) His fund is more than 85% invested in gold-mining shares, with the rest in companies that dig for other precious metals such as platinum and silver.(6) The belly of the monster was covered in gold, silver, platinum , and precious gems.(7) Oromia is also rich in gold, silver, platinum , marble, uranium, nickel, natural gas, and other mineral resources.(8) But it can also be achingly beautiful, its color ranging from platinum to ancient jade, depending on the light it's reflecting.(9) The fuel cell electrodes contain platinum as the catalyst.(10) The precious metal platinum is well known to be an excellent catalyst in a number of chemical reactions.(11) Over 90 percent pure, platinum is hypoallergenic to most people.(12) This is often a precious metal, although platinum is the metal which is widely used for most catalytic converters.(13) Jewellery made of platinum , iridium and palladium gleamed majestically, now and then emitting flashes of brilliant light from the studded diamonds.(14) Today, bracelets are worn by both men and women in a variety of materials such as traditional precious metals like gold silver and platinum .(15) This contrasts with other precious and semi-precious metals, such as silver and platinum , where industrial demand governs prices.(16) At the recently held semi-finals of the Miss India contests, she was adorned in an ornate diamond choker and later a platinum diamond drop necklace.
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