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The top documents tagged [measure hardness]
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measure hardness
MINERALS ARE MADE UP OF SINGLE ELEMENTS OR COMPOUNDS ELEMENTS A SUBSTANCE THAT CANNOT BE BROKEN DOWN TO ANY SIMPLER SUBSTANCE EIGHT MOST COMMON ELEMENTS.
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MINERALS ARE MADE UP OF SINGLE ELEMENTS OR COMPOUNDS ELEMENTS A SUBSTANCE THAT CANNOT BE BROKEN DOWN TO ANY SIMPLER SUBSTANCE EIGHT MOST COMMON ELEMENTS.
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Quantum Mechanics: Interpretation and Philosophy
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