plier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white oplier but not sure of the alloy of white gold- Which metal is harder to work with 9ct white o