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What are Chatham Created Emeralds?
Carroll F. Chatham was a San Francisco chemist whose study of gemstone synthesys... -
What is Channel Setting?
A type of setting often used in mounting a number a small stones of uniform size in a row, usually ... -
What is Centrifugal Casting?
centrifugal casting. A method of making small metal castings used in jewelry shops. Molds filled with melted metal (usually gold or silver) -
What is Casting Wax - Lost Wax
What is Casting Wax - Lost Wax A specially formulated wax used in patterns for casting. See Casting