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What is a Cavity?
Diamond Grading. A cavity is an equidimensional opening in the surface of a polished diamond, sometimes caused by a blow or the pulling out of a knot in polishing. -
What is Casting Wax - Lost Wax
What is Casting Wax - Lost Wax A specially formulated wax used in patterns for casting. See Casting -
What is Casting?
A blog post with a definition of Casting as it pertains to jewelry manufacture -
What is a Carat?
The word carat comes from the seed of the carob tree, the biblical locust...