It is thirty times rarer than gold and rhodium after the most expensive precious metal in the world. Even in ancient Egypt and the Inca empire platinum was used in jewelry and ornaments - the Spanish conquerors, however, who found the white metal in Ecuador River soaps in the 16th century, considered it "unfinished Gold" and threw it back into the water. They called the seemingly worthless material "platina" (small silver), which today bears witness to his name.
One can not blame the conquistadors, after the metal was because of its extremely high melting point at 1774 ° C both melting solder and first appeared useless. It was soon forgotten, but entered in the 18th century in appearance and was 1751 by the Swedish researchers Scheffer associated precious metals. It was found that lower by alloying with copper and tin, the melting point and let out platinum jewelry here. With the invention of the Daniell faucet it was also possible to melt platinum without additives. And so the advent of white shiny precious metal was nothing in the way.
Late 19th century, first discovered Faberge, the court jeweler of the Russian tsars, and later Cartier the qualities of platinum jewelry materials. In Art Deco, it was the favorite of jewelry designers, and even today it is estimated its special properties: Because of its high material strength and resistance to platinum is perfect for containing jewels which are securely anchored and protected in the dense, heavy metal. Especially diamonds brings his white shimmer perfectly. Platinum is very durable, does not start, and be extremely high Purity of usually 95%, identified by the hallmarking "Pt 950" makes it easy on the stomach for skin sensitive people and allergy sufferers.
Platinum is also highly resistant to corrosion, extremely stretchy from 1 gram of platinum can drag an almost 2 kilometer long wire and displays under the influence of flames no discoloration. It has of all precious metals, the lowest electrical conductivity and the lowest thermal expansion, which is why workpieces made of platinum not practical forgiven. So platinum is now an integral part of the industry and can be found in laboratory equipment, medical implants, contact materials, automotive catalysts and many other applications. Thanks to its great rarity and value resistance to platinum is also suitable as an investment. Coins as minted in Russia 1828-1846 platinum rubles are indeed no longer issued, but bullion coins such as the Platinum Canadian Maple Leaf or the American Platinum Eagle are still coveted Anlageobjekte.Die but best use finds platinum still as noble jewel its wearer offers a touch of clear, unpretentious elegance.