Home > Listing of Enamels > Opalescent EnamelClick Image To View Larger 11 Ruby Red (opal) (MB) $0.00 Weight 1 oz (+$5.00) 8 oz (+$40.00) 16 oz (+$80.00) 5487:+:5,5488:+:40,5489:+:80 Quantity: - + Opalscent, Milton Bridge Enamel for Copper, Silver, Gold, Iron and Steel. This enamel is "medium fusing" and should be fired at 1450 to 1550 degrees F. for approximately 2 to 4 minutes. The enamel is lead bearing