Today, as the most stylish platinum jewelry materials, also had a ridiculous “Silver Age”, “silver” is not used in the figurative sense, but platinum is as a silver. Although found in archaeological human use of natural platinum jewelry at least 3700 years as a history.
Platinum Jewelry
Early 16th century, a Spanish expedition in South America Pinto River Basin found gold, the Spaniards in the gold mining process, we found there is a seemingly silver minerals in the heavy metals associated with gold, but this is called “Platinum,” the damned white metal melting point is higher than silver, it is difficult refining, production of gold has brought trouble, especially to extract gold from the fine gold always been such a hateful white things interfere.
Thus, the Spanish gold production as the platinum-product recovery, back home, three paper no 25, much lower than the price of silver jewelry sold to a local workshop. Jewelry artisans to find honest than more difficult to find rooster lays eggs, jewelry maker who put the “bad bank”, mixed with gold and silver, the manufacture of platinum containing “false gold” and “false silver” for sale to customers taken in are anxious to buy rope to hang themselves. The brain a faster processor speed and crafty will be “pseudo-quality silver” braced into gold and silver, fake gold and fake casting silver into the market, this time with good play saw the financial market chaos and some people looting, some crying father Jiaoniang.
“Grandma’s Bear!” Enraged the King of Spain, banned from South America back to the “bad bank” and engaged in a nationwide mass movement in a big way: Search pay this “bad bank”, loaded onto the ship. Then, selected representatives from the public supervision of vessels at sea. They want to do? They are not these “bad bank” export to hostile countries to disrupt its financial market, but the task of implementing a very funny: these priceless platinum among all dumped in the sea, so that they are 18 layers hell forever not turn over!
Pure
The general purity of platinum jewelry is 95%, while the 18k gold purity is only 75%. Any metal that can completely clean, there are impurities, mixed with other metals. Platinum is almost free of impurities, high purity, it will not fade or change color, can remain in the passage of time in the gloss. Pure white luster of platinum is well reflected the true radiance of diamonds. It provides the best jewels the base, but also bring out the natural yellow gold luster. Platinum’s purity is also very suitable for the skin, because with other impurities in different metallic, platinum will not cause allergic reactions.
Rare
Rare than gold, platinum 35 times in the world only in very few places to mining, mainly in South Africa and Russia, and Zimbabwe, Canada, South America, in a few areas. Each year, only 88 tons were manufactured platinum jewelry, but there are 2700 tons of gold. Produce one ounce (31.1 grams) of platinum, take 8 weeks, consumption of 10 tons of ore, while produce the same amount only 5 tons of gold ore. In addition, fewer platinum gold, and gold ore ratio of 1 to 10.
Eternal
Platinum’s density and weight make it more than other durable jewelry metal. Six inches square and 1 (15 cm) cube of platinum weighs 165 pounds (75 kg), equivalent to an ordinary male body weight. Platinum resistant acid, high melting point, 3223 degrees Fahrenheit (1768 degrees Celsius). Platinum will not wear, to secure stable fixed the precious jewels. Some of the world famous gem is fixed to the platinum base, such as the Division – by – Noel diamonds and some of the British crown jewels. All precious metals will leave scratches, platinum is no exception. However, scratches on the platinum metal is moved, will not reduce its volume, but gold will have scratches on the wear and tear, reducing the volume of gold. If indeed there platinum visible scratches, qualified jeweler can re-polish it.
Multi-purpose
In addition to strength and density in addition, platinum also has another remarkable quality: flexibility. Of platinum is very flexible, just 1 gram of platinum, you can pull into more than one mile (nearly 2 km) long filament. This quality, coupled with the strength of platinum, so that jewelers were able to create extremely flexible mesh platinum jewelry, and other precious metals can never do this. Platinum is also very necessary in other areas: it can be used in industry, most notably used in the catalytic reactor. Platinum in the medical field also play an important role, it is not blood oxidation effects, has excellent conductivity, and can compatible with living tissue. Because of these properties, platinum is used in cardiac pacemakers. Currently, more than five million people depend on pacemakers and healthy live. For them, platinum is a metal can save lives.