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Metalicious by Lauren - Whats your Birthstone?🤔 How 'hard' is your Birthstone?🤔 From Wikipedia: The Mohs scale of mineral hardness is a qualitative ordinal scale characterizing scratch resistance of various minerals through
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Amethyst holds a hardness of 7 on the Moh's scale and is an extremely popular quartz variety widely used for jewelry b… | Purple gems, Gemstone colors, Jewelry care
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