Carat Fineness Gold Hallmark Stamp

Karat (purity)

The karat (abbreviation ct or kt) is a measure of the purity of gold alloys. In the United States and Canada, the spelling karat is…Karat (purity) was last modified: May 17th, 2018 by admin

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Alloy

An alloy is a partial or complete solid solution of one or more elements in a metallic matrix. Complete solid solution alloys give single solid…Alloy was last modified: May 17th, 2018 by admin

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