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https://platinumjewelry.com/why-platinum/pure/
When you select platinum jewelry, you’re buying a product that consists of a metal that’s almost entirely pure – 90-95%. Mined from deep within the Earth and transformed for jewelry use with a minimum of other ingredients, platinum’s luster, strength and durability are legendary. But its purity—used in the finest jewelry at a ratio of 950 parts per thousand—makes platinum the finest metal available on the market …
https://www.etsy.com/market/platinum_purity
6" x 3" x 3/8" Natural Testing Stone w/ Wooden Box Gold Platinum Silver Test Karat Value Purity Jewelry Scrap Precious Metals - STN-722.00. JewelryTooling. From shop JewelryTooling. 4.5 out of 5 stars. (2,728) 2,728 reviews. $48.95 FREE shipping. Favorite. Add to.
http://www.mwmjewelry.com/platinum_purity.htm
This metalit is magnetic. You can actually pick up a piece made of this metal with astrong magnet. Welding and handfabrication have proven to be problematic for bench jewelers / repairtechnicians. 4) 90% platinum (900) - alloyed with 10% iridium "ClassicPlatinum" - Vickers hardness = 110.
https://www.brilliance.com/education/metals/platinum
We explain why Platinum is considered the luxury metal among the most pure and precious metals in fine jewelry. 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.Estimated Reading Time: 4 mins
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. – Platinum purity is 85% with the other 15% being other metals; 800 Pt. 200 Pd.
https://www.bluenile.com/education/metal/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's Metal Luster
https://www.gemsny.com/blog/why-platinum-jewelry-is-more-expensive-than-gold-jewelry/
Jul 28, 2021 · Platinum symbolizes durability, purity, and is a symbol of status and reputation. Gold symbolizes prosperity, richness, and power. It is a well-known fact that Platinum jewelry is more expensive than gold, due to the fact that precious metals are priced by weight, and platinum is much denser than gold, meaning it will be heavier.
https://quickjewelryrepairs.com/articles/is-platinum-jewelry-worth-buying/
Platinum is ranked as the top metal out of all of the silvery-white jewelry metals, and with good reason. Its color does not change, and jewelry-grade platinum is commonly rated as 90-95% platinum content. In contrast, other metals such as white gold may only contain about 40 to 50% gold content, and the color of white gold is actually not white!
https://www.wikihow.com/Identify-Quality-in-Platinum-Rings
Jun 16, 2021 · If letters are given, they will say either PT, PLAT, or PLATINUM, which indicates that the ring is at least 95% platinum. In the U.S., the number given before or after these letters can be 850, 900, or 950. This indicates that the ring is made with 85%, 90%, or 95% pure platinum, respectively.Views: 129K
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.
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