Gold prices rose slightly in early Asia on Tuesday with the focus on Greece's ability to negotiate with creditors ahead of major debt payments in the coming month. On the Comex division of the New York Mercantile Exchange, gold futures rose 0.12% to $1,195.10 a troy ounce. Elsewhere, silver for May delivery gained 0.07% to $15.900 a troy ounce. Copper for May delivery was flat at $2.725 a pound. Overnight, gold futures plunged on Monday amid a stronger dollar, as traders digested an unexpected stimulus measure in China and continued uncertainty of a Greek departure from the euro zone.