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.
Gold and copper are the only metals that are not white, gray or black. Gold is non-magnetic and is highly malleable. Since gold is highly resistant to oxidization it is usually found in nature looking like gold; golden colored ranging from bright yellow-gold to dull shades of orange and slightly pinkish.