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Home > categories > Minerals & Metallurgy > Quartz Plate > explain why most quartz is not considered a gemstone while emethyst, which is a kind of quartz, is a gemstone?

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explain why most quartz is not considered a gemstone while emethyst, which is a kind of quartz, is a gemstone?

explain why most quartz is not considered a gemstone while emethyst, which is a kind of quartz, is a gemstone?

Answer:

c)gabbro;basallt okorder

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