Always the Most Accurate Gold Refining Return Since 1916. Pease & Curren Refinery uses only a true fire assay to process our customer's returns. Fire assay is not a melt and X-ray; it is the most accurate precious metals refining method to which all others are compared. *We recover not only gold, but silver, platinum and palladium *Premium Stone Removal Services *State of the Art Sweeps *3rd Party Diamond Appraisal