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Platinum Solitaire 3 s60v5 S^3 games free download (2.51 MB) Source title: Platinum notes - free search & download - 68 files Source title: Daa Notes.pdf MediafireRush 5000 results found, page 1 from 500 for ' platinum notes 3 full' Platinum Notes v2 0 (6.5 MB) You can measure the content of all gold, platinum, and other precious metals, as well as determine the presence and concentration of other trace, alloying elements, and dangerous heavy elements, which could impact health and the valuation of the pieces – not to mention how shiny or dull they may become.Ĭalla Gold is a Santa Barbara Jeweler specializing in custom jewelry design and jewelry repair, and the author of Design Your Dream Wedding Rings From Engagement to Eternity.
The best way to accurately assess if a piece of jewelry is made of gold or platinum (or some other material) is to use an XRF precious metals analyzer. This X-ray Fluorescence technology can be utilized as a fast, simple, nondestructive solution for precious metal analysis. Some people have trouble telling the difference between white gold and platinum, but as you can see there is a big difference. (View this video to see the differences in the dulling of platinum and white gold.) The final effect is that white gold, though it may have many fine scratches, is still shiny – while platinum will become dull. But because of its density, it does not leave a bit of itself behind. Its response to the surface is to yield, to get out of the way. The platinum band scraping against the same surface moves, and its scratch may look a bit deeper. The scratch will be very thin as the hard metal resists the harder surface. If banged against a hard surface, the white gold can leave a tiny bit of itself behind on the harder surface and show a scratch on its surface. To compare, 14kt White gold, which has been alloyed with stronger metals to make it into jewelry and make its normally yellow color white, becomes a harder metal than platinum. By softly yielding and getting micro-dents to a state where no part of the surface hasn’t moved, the platinum becomes dull. When it gets a scratch or a micro-dent, it is actually moving out of the way of the harder item to which it is colliding. Platinum’s density allows it to be used in a purer form than gold. This is because on a molecular level there are more and smaller molecules packed into that little bit of space in platinum. The same amount of platinum weighs 60% more than gold. What the MOHs scale doesn’t show you, is the way your chosen metal reacts to harder obstacles when they collide. But it’s not just the hardness that determines how your metal will wear and look over time. When white gold is prepared for jewelry making, by adding alloy metals, for example at 14kt or 58% pure gold, its hardness gets bumped up to 3.5 – 4.
That’s about the same hardness as your fingernail. An amethyst is a seven on the MOHs scale and can scratch platinum.įor comparison, pure gold is 2.5, on the MOHs scale. Diamond is ten on the MOHs scale and can easily scratch platinum. This means it can be scratched by anything harder than it is. It is 4 – 4.5 on the MOHs scale of hardness. Today, our guest writer, Calla Gold, writes about the use of platinum in jewelry. It is most recognized as a metal used in catalytic converters, electronics, and in jewelry. Today we will be discussing Platinum (Pt) itself, which has a high melting point and temperature stability, is highly corrosion oxidation resistant, and it is a good oxidation catalyst. Editor’s Note: We have written about the Platinum Group Metals (PGMs) before, and explained how they are a family of six structurally and chemically similar elements that are most valued for their wide range of industrial, medical, and electronic applications.
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