Gold declined 150 rupees, to 22,670 rupees per ten grams at Delhi's bullion market, on Friday, on weak local demand, and negative global cues. Silver ready continued to slide for the third straight day, plunging 2,000 rupees, to 54,000 rupees per kilo. But silver coins surged 6,000 rupees, to 67,000 rupees for buying 100 pieces, due to the ongoing marriage season. In the global markets, gold fell 2 dollars, to 1,531 dollars an ounce. Silver declined 1.5 per cent, to 35.63 dollars an ounce.