Vintaj® Chalcedony Patina™ ink offers an elegant, light shade of blue-gray. This opaque and permanent fast-drying ink is specially formulated by Ranger to adhere to metal! Use blue-ish grey Chalcedony ink by iteself, or blend and layer it with other Patina inks for an endless array of stunning results. Apply in small amounts using a paint brush. Use a reliefing block to remove faux patina from raised areas. For added durability, set with a heat tool.