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https://www.georgianjewelry.com/blog/iridium-platinum-explained
Iridium Platinum Explained. Since about 1900, platinum came into use in a major way in the making and manufacturing of jewelry. This ushered in the Edwardian era, known for its exceptionally fine yet durable lace-like platinum work. As with most metals for jewelry, they are often combined with other metals to help the metalsmith or jeweler ...
https://www.consumer.ftc.gov/articles/platinum-gold-and-silver-jewelry
The metals used in platinum jewelry usually fall into one of three categories: other platinum group metals (palladium, ruthenium, rhodium, iridium, osmium) Marketers describe or mark platinum to show the percentage of pure platinum in the piece. To be called platinum, an item should be at least 50% pure platinum.
https://www.etsy.com/market/iridium_jewelry
Iridium jewelry (227 Results) Jewelry, handbags, and accessories Shop this gift guide Women's fashion ... Vintage .10 Iridium .90 Platinum Round European Cut Diamond Single Cut Diamond Ring Size 8 HouseOfHalosJewelry 5 out of 5 stars (20) $ ...
https://www.ganoksin.com/article/platinum-alloy-applications-for-jewelry/
Platinum / Iridium Systems. Iridium is one of the PGM’s. It. has a face centered cubic structure and when added to platinum in small quantities it will effect its hardness. The ideal composition for a Pt/lr system has been the 900/100 alloy. It was called Irido-platinum in the 20s and is to this day a very important alloy. P/lr 900/100
https://www.etsy.com/market/iridium_ring
Art Deco .10 Iridium .90 SEICO Round European Cut Center With Baguette Cut Diamond Wedding Set Ring Size 7. HouseOfHalosJewelry. 5 out of 5 stars. (20) $4,250.00 FREE shipping. Add to Favorites. Stunning. 90 Percent Platinum and 10 Percent Iridium Vintage Diamond Ring. Wedding Ring, Engagement, Anniversary Ring, All Purpose Ring.
https://www.hcrosscompany.com/precious-metals-and-alloys/platinum-iridium/
Other uses of platinum iridium alloys include electrical contacts, spark plugs, electro explosive devices, medical leads and electrodes, thermistors, catalytic applications, jewelry, pen points, surgical pins or pivots and the kilogram and meter standards used by the department of weights and measures. Fabrication and Forms
https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Jewelry that contains at least 950 parts per thousand of platinum group metals, with at least 500 parts per thousand of the total pure platinum, may be marked as platinum as long as the numbers of each metal are disclosed. For instance, "600 Pt. 350 Ir." or 600 Plat. 350 Irid." for 600 parts pure platinum and 350 parts iridium "550Pt. 350Pd. 50Ir."
https://www.mgsrefining.com/blog/2015/10/01/ruthenium-vs-iridium-in-platinum-alloys/
Oct 01, 2015 · Generally, 950 platinum-iridium alloy is soft and malleable. This makes it easy to work with, but it’s vulnerable to dents, scratches, and deformation. So while it’s great for hand fabrication and small pieces of jewelry, it doesn’t hold up well over time. 950 Platinum-ruthenium alloy is the opposite. It’s resistant to wear and tear ...
https://jewelryinformer.com/platinum/platinum-group-metals/
Iridium is more well-known for its use in platinum jewelry. Platinum-iridium alloys contain mostly platinum, and between 5% and 10% iridium. The iridium content hardens the platinum, making it less likely to dent or scratch, but the amount is low enough for the alloy to remain malleable.
https://www.carparts.com/blog/iridium-vs-platinum-spark-plugs/
Jan 22, 2020 · Platinum may be harder than copper, but iridium is the hardest among the three, and iridium spark plugs outlast platinum spark plugs by almost twice the mileage. The only issue with iridium is that it costs double the price of platinum with little improvements in performance.
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