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Only platinum bears the PT logo. The following is an introduction to the appearance of platinum, manufacturing and the difference between platinum and palladium: 1
Pure: Platinum jewelry of high purity, platinum jewelry engraved with the PT950 logo indicating 95% purity; The PT900 logo is engraved with 90% purity. 2.Rare Platinum is produced in very limited quantities each year.
Tons of ore go through more than 150 processes to obtain a few grams of platinum. 3.Steadfastness Platinum is very dense and not easily damaged even in friction, so jewelry made of platinum is very fine.
All kinds of gemstones are inlaid with platinum, which are not easy to fall off. 4.The natural white metallic sheen of platinum is both natural, elegant and subtle; 5.
Platinum jewellery is easy to wear with any outfit and is always a stylish classic. Second, the difference Because the two kinds of white *** that are popular in the market now are platinum and K platinum. Difficult to identify with the naked eye, how to distinguish it:
White K gold, commonly known as K white gold, is an alloy. Usually used"18k"or"750"annotate. Platinum is a natural white ***, and its content is marked with PT900 or PT950, so look for the imprint when buying.
It's best to buy from a reputable merchant! This is very important!! Three.
Platinum and palladium (special note) Platinum logo: pt; Palladium identification: PD.
From the point of view, palladium is much cheaper than platinum; In terms of texture, palladium is light, brittle, and the color will darken after a period of wear, while platinum will definitely not have the above problems. From the above six points, platinum has enough collectible value.
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If the regular store, no matter what kind of gold, there will be a logo on it, including**, 18k gold, platinum, palladium, there should be a logo on the ring, according to what you said, either the ring is fake, or you are unprofessional, you don't see it, you can take your bill and ring to the store to ask their clerks, see how they explain to you, if you buy platinum, there should be a pt logo in the ring.
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That's right, PT is the sign of platinum.
You take a closer look, is it PT or PD on the ring? The former is platinum, which is rarer and more expensive. The latter is palladium, which is often referred to as white gold, which is cheaper.
How much did you buy it? If you really buy platinum, it's very cheap to buy a ring for pt950, then you have earned it, haha......
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Platinum is white gold.
Essentially, platinum is platinum, and these two things are actually the same substance, but they are called differently in different places. Platinum is a chemical element, commonly known as white gold. Its chemical symbol is pt and its atomic number is 78.
Platinum is an off-white *** with high density, high ductility and low reactivity, which belongs to transition metals.
According to international regulations, only platinum can be called white gold, so the two are the same thing. It is a naturally occurring white precious metal. It originated 2 billion years ago, when a huge meteorite struck the Earth, bringing this precious metal with it.
As early as 700 B.C., platinum has shone a dazzling light in the history of human civilization, and has been considered the most noble metal in the more than 2,000 years of human use of platinum, and has been sought after by noble royal families.
Properties of Platinum:
1. Purity
1. The purity of platinum jewelry is high.
The purity of platinum jewelry is usually 90%-95%, and the purity of common platinum jewelry is pt900 and pt950.
According to national regulations, only jewelry with a platinum content of 85% and above can be called platinum jewelry. Platinum jewelry is of acceptable purity.
2. Platinum has a natural pure white color.
The natural purity of platinum's white luster gives platinum jewelry its unique look. Even when worn every day, platinum always retains its pure white luster.
2. Rare. 1. Platinum production is scarce.
Platinum is 30 times rarer than ** and is only mined in very few places around the world. If you poured all the platinum in the world into an Olympic-sized pool, it wouldn't be deep enough to cover the instep, and ** could fill at least three pools.
Only about 3 grams of platinum can be extracted from tonnes of platinum ore.
3 grams is only equivalent to the weight of a smaller platinum ring, and extracting these platinums takes about 8 weeks and a lot of effort.
3. Eternity. 1. Platinum can be worn every day and remains unchanged forever.
The nature of platinum is very stable and will not deteriorate or fade due to daily wear, and its luster will always be the same. Even contact with common acids in daily life, such as sulfur in hot springs, bleach, chlorine in swimming pools, or sweat, is not affected, so you can wear platinum jewelry with confidence at all times.
2. The natural pure white of platinum will never fade.
No matter how long it is worn, platinum retains its natural white luster and never fades. Pakai replied.
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White gold is platinum.
In fact, in essence, platinum is platinum, these two things are actually a substance, but different places are called different, according to international regulations, only platinum can be called platinum. Many people actually know that platinum and platinum are the same, but it is easy to be confused that platinum is a kind of 18k gold, in fact, this is a very big misunderstanding, and the correct statement of K platinum should be white gold.
Platinum is a naturally occurring white precious metal. Platinum has shone in the history of human civilization as early as 700 years before the A.D. Tan Qing Dynasty, and it has been considered one of the most noble metals in the more than 2,000 years of human use of platinum. In the mineral classification, platinum group element minerals belong to the natural platinum subgroup, including iridium, rhodium, palladium, and platinum.
PGE minerals are equiaxed, with very rare single crystals and occasional cubic or octahedral fine grains.
The meaning of platinum purity
Platinum PT999: Represents platinum content of 999, 950 platinum, platinum content is not less than 950 thousandths, marked with "platinum 950" or "pt950", indicating that the percentage of platinum in jewelry is 95%.
900 platinum: the platinum content is not less than 900 parts per thousand, marked with "platinum 900" or "pt900", which means that the percentage of platinum in the jewelry is 90%.
Because the hardness of pure platinum is relatively small, in order to increase the hardness of platinum, a certain proportion of precious metals such as palladium, rhodium, and iridium must be added. Among them, PT950 contains 5% palladium, rhodium and iridium, and its hardness is still relatively low, so it is generally used in plain platinum jewelry. PT900 contains 10% palladium, rhodium and iridium, and the hardness is just right for the ornaments before the inlay.
At present, most platinum settings are made of PT900 and PT950.
The above content refers to Encyclopedia - Platinum.
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