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Pawinee Nual-In: Feb 22, 2024 6:23:12 PM
Amethyst is the purple variety of the quartz mineral. It is classified as a semi-precious stone, and usually forms as a crystal lining within basalt rock. The word ‘amethyst’ comes from the Greek word amethystos, referring to the belief that this...
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Pawinee Nual-In: Jan 23, 2024 4:38:23 PM
Plating in jewelry is a process whereby a thin layer of a metal is laid over the underlying metal or other material in order to coat and protect it....
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Pawinee Nual-In: Jul 3, 2023 6:09:53 PM
Rubies are a red gemstone from the corundum family of minerals. Pure corundum is colorless, but the presence of chromium creates the red hues of...
