The main component of platinum is platinum, which is called platinum in people's lives. Its main component is a precious metal substance of platinum. Because of the small output and good stability, the price of platinum in the market is relatively high. At present, the common platinum on the market is actually an alloy, doped with other precious metals, and platinum jewelry will bear the symbol of PT. The common platinum on the market is PT950, which is platinum with a purity of 95%.
Platinum was discovered by humans as early as 700 BC, and it has been considered as one of the most precious metals in the history of platinum use for more than 2,000 years. In mineral classification, platinum group minerals belong to natural platinum subgroup, including iridium, rhodium, palladium and platinum. Platinum group minerals are all equiaxed crystals, and single crystals are very rare, occasionally producing cubic or octahedral small particles.
Characteristics of platinum
1. purity: platinum jewelry has a high purity. The purity of platinum jewelry is usually as high as 90%-95%. The common purities of platinum jewelry are Pt900 and Pt950. According to national regulations, only jewelry with platinum content of 850‰ or above can be called platinum jewelry. The white luster of platinum is natural and pure, giving platinum jewelry a unique appearance. Even if it is worn daily, platinum always maintains a pure white luster.
2. Rarity: Platinum is thirty times rarer than gold, and only a few places in the world can mine it. If all the platinum in the world is poured into an Olympic standard swimming pool, the depth is not enough to cover the instep, and gold can fill at least three swimming pools. 3 grams is only equivalent to the weight of a small platinum ring, and it takes about 8 weeks and a lot of energy to extract these platinum.
3. Eternity: Platinum is very stable and will not deteriorate or fade due to daily wear. Its luster will never change. Even if it comes into contact with common acidic substances in life, it will not be affected, and you can wear platinum jewelry with great confidence at any time. No matter how long it is worn, platinum can always maintain its natural pure white luster and never fade.
4. Toughness: The toughness and ductility of platinum means that even a small platinum claw can safely and firmly set every diamond. This can be confirmed in the classic designs of many international brands. Platinum can be competent for all kinds of inlay designs and techniques, and firmly inlay every diamond of different sizes. The pure white color of platinum will not detract from the brilliance of the gem, but can truly show the fire color of the gem itself, whether it is shiny diamonds or other colorful treasures.
The outstanding toughness and ductility of platinum enable it to carve exquisite lines. Top jewelry brands are familiar with these characteristics of platinum, thus creating countless amazing crafts, especially the customized jewelry of European royal families. Platinum and diamonds have always been the perfect presentation of these masterpieces, becoming the favorite of famous jewelry brands and the royal family.
The above contents refer to Baidu Encyclopedia-Platinum.