United Precious Metal Refining, Inc. is our gold and silver supplier. They have U.S. and international patents on their formulas they have developed for gold and sterling silver.
The silver contains 92% of fine silver and a mixture of other metals.
The 14K gold contains the same alloys and polish to a beautiful rich yellow color.
After many years of trying various gold and silver formulas from other suppliers we highly recommend UltraAloy from United Precious Metal Refining, Inc.