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2. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   It is an extension of the older karat system of denoting the purity of gold by fractions of 24, such as "18 karat" for an alloy with 75% (18 parts per 24) pure gold by mass. The millesimal fineness is usually rounded to a three figure number, particularly where used as a hallmark , and the fineness may vary slightly from the traditional ...

3. Black Hills gold jewelry - Wikipedia

   en.wikipedia.org/wiki/Black_Hills_gold_jewelry

   The finished jewelry known as Black Hills Gold must be produced in the Black Hills of South Dakota. The different colors of gold used for leaves and other details are made when the pure 24 Karat yellow gold is alloyed with copper to achieve the traditional 14 karat pink (or red) gold, and the gold is combined with silver to create the 14 karat ...

4. Colored gold - Wikipedia

   en.wikipedia.org/wiki/Colored_gold

   The highest karat version of rose gold, also known as crown gold, is 22 karat. Amongst the alloys made of gold, silver, and copper, the hardest is the 18.1 K pink gold (75.7% gold and 24.3% copper). An alloy with only gold and silver is the hardest at 15.5 K (64.5% gold and 35.5% silver).

5. I Wore A Purity Ring As A Teen — But I Was Dealing With A ...

   www.aol.com/news/wore-purity-ring-teen-dealing...

   “The evangelical ‘purity movement’ of the 1990s and early 2000s was its own unique cultural moment.” I Wore A Purity Ring As A Teen — But I Was Dealing With A Secret No One Knew About ...

6. Karatmeter - Wikipedia

   en.wikipedia.org/wiki/Karatmeter

   Analyzing gold using XRF spectrometers gives the purity of gold, up to 10-12 microns and hence it gives the analysis of coating only. Using this technique, the precise percentage or karat (of karat ) in a solid piece of jewelry can be determined in 30 seconds.

7. The symbolism and meaning behind different engagement ring shapes

   www.aol.com/symbolism-meaning-behind-different...

   Here is what the most popular diamond shapes for engagement rings mean. While reading, think about which shape reflects you and your partner. Round Brilliant Cut: Traditional and Elegant