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2. Hardnesses of the elements (data page) - Wikipedia

   en.wikipedia.org/wiki/Hardnesses_of_the_elements...

   This page was last edited on 16 November 2024, at 12:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

3. Tungsten - Wikipedia

   en.wikipedia.org/wiki/Tungsten

   Its density, similar to that of gold, allows tungsten to be used in jewelry as an alternative to gold or platinum. [21] [100] Metallic tungsten is hypoallergenic, and is harder than gold alloys (though not as hard as tungsten carbide), making it useful for rings that will resist scratching, especially in designs with a brushed finish.

4. Tungsten carbide - Wikipedia

   en.wikipedia.org/wiki/Tungsten_carbide

   Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering [7] for use in industrial machinery, engineering facilities, [8] molding blocks, [9] cutting tools, chisels, abrasives, armor ...

5. List of named alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_named_alloys

   Guanín (gold, silver) Gunmetal (tin, zinc) Phosphor bronze (tin and phosphorus) Ormolu ; Silicon bronze (tin, arsenic, silicon) Speculum metal ; White bronze (tin, zinc) Constantan ; Copper hydride ; Copper–tungsten ; Corinthian bronze (gold, silver) Cunife (nickel, iron) Cupronickel ; CuSil ; Cymbal alloys

6. Melting points of the elements (data page) - Wikipedia

   en.wikipedia.org/wiki/Melting_points_of_the...

   Group → 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18; ↓ Period ①: H 2 13.99 K (−259.16 °C) He [c]: ②: Li 453.65 K (180.50 °C) Be 1560 K (1287 °C) B 2349 ...

7. Vast deposit of 'white gold' in Arkansas could be stunningly ...

   www.aol.com/vast-deposit-white-gold-arkansas...

   Vast deposit of 'white gold' in Arkansas could be stunningly valuable. Elizabeth Weise, USA TODAY. Updated January 17, 2025 at 1:31 PM.

8. Gold vs. silver investing: Which is better when interest ...

   www.aol.com/gold-vs-silver-investing-better...

   Gold and silver are both precious metal assets worth investing in, but one could be a better bet right now. / Credit: Getty Images/iStockphoto Until recently, inflation had been high in the U.S.

9. Colored gold - Wikipedia

   en.wikipedia.org/wiki/Colored_gold

   White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [5] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [4] Copper ...