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2. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   24-carat gold is pure (while 100% purity is very difficult to attain, 24-carat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-carat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-carat gold is 12 parts gold (12 parts another metal), and so forth.

3. Platinum - Wikipedia

   en.wikipedia.org/wiki/Platinum

   Alloying this impure platinum residue called "plyoxen" [citation needed] with gold was the only solution at the time to obtain a pliable compound, but nowadays, very pure platinum is available and extremely long wires can be drawn from pure platinum, very easily, due to its crystalline structure, which is similar to that of many soft metals.

4. Platinum sterling - Wikipedia

   en.wikipedia.org/wiki/Platinum_sterling

   Platinum Sterling is a registered trademark name of ABI Precious Metals, Inc. The trademark covers a range of alloys whose primary constituents are platinum and silver, primarily used in jewellery. [1] The range of Platinum Sterling alloys was developed in 2003 by Marc Robinson, and its solder was created by Chuck Bennett.

5. Precious metal - Wikipedia

   en.wikipedia.org/wiki/Precious_metal

   Precious metals such as gold, silver, and platinum have been used for millennia to create objects of cultural and artistic significance. In jewelry, they are a cornerstone for crafting wedding bands, engagement rings, and ceremonial adornments, often symbolizing love, commitment, and social status. [11] [12] [13]

6. Platinum vs. Gold Investment: Which Is Better?

   www.aol.com/finance/platinum-vs-gold-investment...

   Platinum and gold are two precious metals and … Continue reading → The post Platinum vs. Gold Investment: Which Is Better? appeared first on SmartAsset Blog.

7. Platinum group - Wikipedia

   en.wikipedia.org/wiki/Platinum_group

   The platinum-group metals [a] (PGMs) are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6). [1] The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum.