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2. Jewels of Diana, Princess of Wales - Wikipedia

   en.wikipedia.org/wiki/Jewels_of_Diana,_Princess...

   The piece is made out of "18k gold and platinum set with 137 round diamonds", and its "interlocking Cs derive from the cipher of Diana, Roman goddess of the hunt". [112] The Princess also wore a pair of earrings at the event, known as Diana Earclips and made out of "mabé pearl, diamond, platinum and 18k yellow gold". [113]

3. BIS hallmark - Wikipedia

   en.wikipedia.org/wiki/BIS_hallmark

   The BIS system of hallmarking of gold jewellery began in April 2000. The standard specifications governing this system are IS 1417 (grades of gold and gold alloys, jewellery/artefacts), IS 1418 (assaying of gold in gold bullion, gold alloys and gold jewellery/artefacts), IS 2790 (guidelines for manufacture of 14, 18 and 22 carat gold alloys only ), IS 3095 (gold solders for use in manufacture ...

4. Colored gold - Wikipedia

   en.wikipedia.org/wiki/Colored_gold

   Rose gold is a gold-copper alloy [6] widely used for specialized jewelry. Rose gold, also known as pink gold and red gold, was popular in Russia at the beginning of the 19th century, and was also known as Russian gold. [7] Rose gold jewelry is becoming more popular in the 21st century, and is commonly used for wedding rings, bracelets, and ...

5. Gold-filled jewelry - Wikipedia

   en.wikipedia.org/wiki/Gold-filled_jewelry

   If the gold layer is 12 kt or higher, the minimum layer of karat gold in an item stamped gold-filled marks must equal at least 1 ⁄ 20th the total weight of the item. The most common stamps found on gold-filled jewelry are 1 ⁄ 20th 12kt GF and 1 ⁄ 20th 14kt GF. Also common is 1 ⁄ 10th 10kt. These standards are for modern gold-filled items.

6. Extraterrestrial diamonds - Wikipedia

   en.wikipedia.org/wiki/Extraterrestrial_diamonds

   Diamonds so small that they contain only about 2000 carbon atoms are abundant in meteorites, and some of them formed in stars before the Solar System existed. [1] High pressure experiments suggest large amounts of diamonds are formed from methane on the ice giant planets Uranus and Neptune , while some planets in other planetary systems may be ...

7. 10,000 Steps Per Day Is A Myth—So How Much Should You Really ...

   www.aol.com/10-000-steps-per-day-120000168.html

   The 10,000 steps per day rule isn’t based in science. Here’s what experts have to say about how much you should actually walk per day for maximum benefits.