The temperature has been so relentlessly hot this week that the government imposed a four-day mandatory holiday beginning Thursday and urged residents to stay out of the sun. At its most brutal, the so-called feels-like temperature has hit a staggering 159 degrees Fahrenheit, according to The Weather Channel.
12K Red gold: 50% gold and 50% copper. Up to 15% zinc can be added to copper-rich alloys to change their color to reddish yellow or dark yellow. During ancient times, due to impurities in the smelting process, gold frequently turned a reddish color.
Summary: 1  Yellow and white gold have different metal alloy mixtures. 2  Yellow gold looks more elegant and classic than white gold. 3  Yellow gold requires less maintenance than white gold. 4  White gold is better than yellow gold when paired with a diamond stone. 5  Yellow gold and white gold differ in prices.