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https://thinkengraved.com/blogs/news/a-guide-to-what-jewelry-stamps-mean
Apr 29, 2021 · 90% platinum or 900 parts per 100. Usually mixed with other platinum metal group alloys such as Ruthenium, rhodium, or palladium. 950 platinum will simply carry 950 in place of the 900 and is 950 parts per 1000 pure platinum. Here is a great article about the above stamps here.Estimated Reading Time: 7 mins
https://www.silverrecyclers.com/blog/950-platinum.aspx
The number 950 refers to its level of purity, and it means that your item is 95% platinum and 5% alloy. This number system is an easy way to tell an item's purity. Another example is 900 platinum which is equal to 90% platinum. The alloy used with platinum is typically either copper, rhodium, titanium, palladium, cobalt, or iridium. A 950 platinum chain
https://www.reference.com/world-view/950-silver-55e01e5c860abcb3
Apr 16, 2020 · Jewelry marked as 950 silver means that the item is 95 percent pure silver. When stamped 950, it refers to its purity in parts per thousand. The remaining 5 percent is an alloy added to increase the hardness of the silver piece. Silver is usually alloyed with copper for hardening purposes. Silver is a soft metal and requires the addition of an alloy.Estimated Reading Time: 1 min
https://www.reference.com/world-view/pt950-mean-stamped-ring-bad571d0248af8fa
Mar 28, 2020 · By Staff Writer Last Updated March 28, 2020. Follow Us: The stamp PT is an abbreviation for platinum, and PT950 refers to the number of parts per thousand that are pure platinum. Platinum alloys are about 90 percent to 95 percent pure; therefore, a higher percentage of an item's weight is made up of the metal. The number 950 often follows the PT abbreviation, because for alloys of …Estimated Reading Time: 1 min
https://www.silverrecyclers.com/purity_hints.aspx
For Silver, Platinum or Palladium Jewelry it is usually stamped .800, .950, .830, .900 or something in a .000 format. This format is simply expressing the items purity as Parts Per Thousand. If your item is genuine and marked .800 then it is 80% pure. If it's marked .950 then it's 95% pure.
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · When considering platinum jewelry, the purity mark “950” denotes a composition of 95 percent platinum with a mix of other metal alloys, while “900” is made up of 90 percent platinum, and “850” has 85 percent platinum.
https://ourpastimes.com/difference-between-silver-5513093.html
Apr 12, 2017 · This means it is sterling silver, but more pure than most sterling silver. 950 silver will be softer than most sterling silver and will tarnish more easily. This means it is unlikely to be used in most industrial applications. Most 950 silver is used for jewelry.Author: Joseph Nicholson
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