1. Precious Metal TestingPrecious Metal Testing Assay Types for Gold and OtherAssay Types for Gold and Other Precious MetalsPrecious Metals Manhattan Gold & Silver |…

1. Salt Cementation & Gold Extraction An ancient refining technique that separates silver and gold 2. Gold as it Naturally Occurs • As any professional miner could…

1. Why is Gold Valuable?Why is Gold Valuable? Gold as a Precious MetalGold as a Precious Metal and Store of Valueand Store of Value Manhattan Gold & Silver | 45 W 47th…

1. Platina 4 The jewelers’ alloy that contains four precious metals 2. Addressing Consumer Needs • Starting in 2007, the price of gold began to rise to record-setting…

1. A Brief History of Gilding Techniques Mechanical gilding, chemical gilding, and electroplating 2. Gilded Ages • Gilding is an ancient art used to plate gold to other…

1. Gold Science Gold’s amazing contributions to technology and medicine 2. Gold’s Role in Scientific Advancement • Gold is so much more than a vehicle for investment…

1. Acid Testing Jewelry for Gold Purity 2. The Acid Test • The acid test is the most common method used by jewelers, refiners, pawnbrokers, and others in the precious metals…