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https://www.technology.matthey.com/article/46/2/66-72/
Mar 31, 2002 · The performance of precious metal alloys can be usefully compared by the application of engineering design theory and heat flow properties on the small scale that is required for jewellery production. Some of the physical and mechanical properties of Platinum jewellery alloys differ sufficiently from typical gold and silver alloys to require modifications in the processing techniques, but ...Focal spot diameter: 0.2-2.0 mm
https://quickjewelryrepairs.com/articles/is-platinum-jewelry-worth-buying/
May 13, 2020 · On the downside, platinum is very expensive to purchase and repair, and some jewelers cannot even work with the metal because they don’t have the equipment, materials, or experience to deal with its unique chemical properties. In addition, platinum scratches very easily, making this metal unsuitable for people who enjoy shiny polished jewelry.Estimated Reading Time: 3 mins
http://www.platinum.matthey.com/services/faqs/why-is-platinum-used-for-jewellery
Platinum is a naturally white precious metal and has several properties that make it a preferred jewellery material. Among the main advantages of using platinum for jewellery are its strength and resistance to tarnish, both of which make it the ideal setting for diamonds and other gemstones.
https://www.brilliance.com/education/metals/platinum
Often heralded as just as beautiful as the gems it displays, platinum boasts a silvery-white luster that imparts unmistakable elegance and blends well with a variety of metals and stones. Four times stronger than gold, platinum is renowned for its hard-wearing properties, resistance to …Estimated Reading Time: 4 mins
https://www.mygemologist.com/learn/jewelry-metals/platinum/
Jul 26, 2013 · Platinum’s purity endows it with a brilliant white luster. This helps to reflect the true radiance of diamonds. In the United States platinum is usually marked: PT or PLAT. In Europe, platinum is identified by the following marks: 950 or PT950. The History of Platinum in Jewelry. Platinum has been used in jewelry only since the 19th century.Estimated Reading Time: 6 mins
https://www.thoughtco.com/metal-profile-platinum-2340149
Aug 21, 2020 · Platinum is a dense, stable and rare metal that is often used in jewelry for its attractive, silver-like appearance, as well as in medical, electronic, and chemical applications due to its various and unique chemical and physical properties.
https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Platinum content is usually expressed as the amount of pure platinum the jewelry contains in parts per thousand. Think about it like this: you mix up a huge bucket of fruit tea that contains 1,000 ounces--900 hundred of the ounces are plain tea and 100 are fruit juice.
https://www.gemsociety.org/article/jewelry-metals-overview/
In addition to platinum, this group includes iridium, osmium, palladium, rhodium, and ruthenium. While platinum is the most abundant, all these metals, except osmium, have jewelry applications. Rhodium frequently sees use as a non-tarnishing plating for white gold, silver, and other platinum group jewelry …
https://www.jewelryshoppingguide.com/what-is-platinum/
Platinum used in jewelry, like this ring, is generally of higher purity than gold. Some common platinum hallmarks are: 950 Plat or 950 Pt. - The metal is at least 95% pure platinum and 5% alloy metals. 900 – 90% platinum purity and 10% alloy metals. 850 Plat or 850 Pt.
https://eragem.com/news/the-history-of-platinum-jewelry/
Dec 02, 2013 · The History of Platinum Jewelry. December 2, 2013 by EraGem. Platinum enjoys a fascinating history. Ancient Egyptians (1200-700BC) was used in small quantities combined with gold for decorative objects. One group of natives (La Tolita Indians) to the platinum-rich border between Ecuador and Colombia used platinum for nose rings, earrings, and ...
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