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MOHS Mineral I.D. Kit for Hardness & Streak Test

$ 18.36

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Description This Mineral Identification Kit for Hardness and Streak Testing contains minerals with a Mohs hardness of 1 to 9: a streak plate: and instructions about the Mohs Scale, which measures mineral hardness by the scratch resistance of various minerals through the ability of a harder material scratching a softer material. ‘Mohs scale of mineral hardness’ was created in 1812 by the German mineralogist, Friedrich Mohs.
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