Easier & Cheaper To Use Than Coins Or Grains ! Pink Gold 22 gauge wire, 98% pure gold, 2% copper, 22k gold, 1 inch ** Gold is sold at market pricing and will vary. Gold has recently hit an all time market high. Pink gold can attain slightly different fuming results and is fun to experiment with. This is the only varaition on pure gold we've tried that does not have negative results due to being cut with another metal.