Within the Big Creek Hydrometallurgical Complex, located in the historic Coeur d'Alene Mining District, the Sunshine Precious Metals Refinery is is a zero discharge facility that continues to increase production levels. The refining facility is currently processing copper/silver and gold concentrates in addition to refining silver doré and other materials. Assays of Silver produced at the Sunshine Precious Metals Refinery consistently attain purities of 99.95% silver or better. The Sunshine silver brand is accepted as good delivery on the COMEX.
The plant is equipped to produce silver bar sizes of approximately 2-5oz, 10oz, 100 oz and 1000 oz, various sized silver cylindrical billets and silver crystal. The Refinery is also equipped to produce gold bar sizes of approximatley 2.5oz, 5oz, 10oz and 1000oz. Specific requests for private label refined silver and gold products can also be considered.
We can accept feed material in the form of:
- Silver Doré
- Gold Doré
- Copper/silver and gold concentrates
- High Metallic Silver Content Sludges
- Materials Containing High Grade Silver
- Recycled Silver Waste
- Other Secondary Sources
- Ag and Au jewelry
- US silver coins pre-1965