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https://www.bluenile.com/education/metal/cobalt
Made from a highly durable alloy, cobalt is four times harder than platinum while at the same time, less dense. Because of its natural hardness, cobalt jewelry is extremely scratch, chip and corrosion-resistant. Its lower density and natural malleability allow for strong, dynamic designs with less weight.
https://www.titanium-jewelry.com/cobalt-rings.html
Cobalt Rings and Wedding Bands are the perfect choice for his wedding ring. Cobalt is as bright as platinum, hypoallergenic and scratch resistant. Unlike tungsten rings, cobalt rings will not crack or shatter. The look of platinum - but for a fraction of the price. …5/5(14)
https://www.tungstenworld.com/Cobalt-Rings-Faq/
What is Cobalt Jewelry? Cobalt jewelry and cobalt rings are made primarily of cobalt, but more accurately they can be called Cobalt Chrome rings and Cobalt Chrome Jewelry. Made of a highly durable cobalt alloy that has been used in medical implants and the dental industry for years, cobalt jewelry employs the same cobalt chrome alloy from these industries for its extreme strength and high ...
https://www.stuller.com/articles/view/why-use-platinum-cobalt-alloy/
Jul 28, 2021 · And, when you factor in the benefits that this Platinum-Cobalt alloy offers, you come out ahead in learning this new set of skills. For example, this Pt-Co alloy was developed more than 20 years ago and has been used extensively in Europe and Japan for jewelry.
https://www.jewelryshoppingguide.com/cobalt-men-wedding-ring-guide/
Cobalt is a transition metal, similar to metals such as tungsten, platinum or silver. Cobalt, in its pure form, cannot be used in jewelry. As a result, cobalt is alloyed with other metals to make it stronger, more malleable and more wearable. Cobalt used in jewelry is often alloyed with metals such as chromium, tungsten and iron.
https://www.gia.edu/quality-assurance-benchmark/prefinish-polish-buff-platinum
Buffing, when done after proper prefinishing and polishing, will brighten platinum jewelry and give it the unmistakable bright white luster. No shaping, tool mark removal, or refinement of deep scratches is possible through buffing – only the removal of ultra-fine scratches and the creation of a high luster. ... Platinum Cobalt. Sizing down a ...
https://www.ganoksin.com/article/platinum-alloy-applications-for-jewelry/
Platinum Cobalt is being used in the U.S. Germany, Europe and Hong Kong. Ganoksin is sponsored by. ... As platinum jewelry continues to gain market share, nearly every jeweler will have contact with this most precious metal. Education and information about platinum is …
https://www.bluenile.com/education/metal/platinum
Purity of Platinum Platinum jewelry is very rare; in fact, 30 times more so than gold. Our platinum is 95% pure (5% iridium, palladium, ruthenium, and other alloys), and its purity makes it naturally hypoallergenic, ideal for those with sensitive skin issues. How to Maintain Platinum…
https://www.wikihow.com/Identify-Platinum-and-Silver-Jewelry
May 06, 2021 · Pure platinum is a soft metal, so alloys are added to strengthen the finish. Cobalt, which is quite hard, is becoming popular as a platinum alloy. Because cobalt is slightly magnetic, some platinum jewelry may react to a magnet. Platinum/cobalt alloys will usually be stamped as PLAT, Pt950, or possibly Pt950/Co.
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