Moh's Hardness Scale

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What is Moh's Hardness Scale?

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A scale that ranks minerals based on their ability to scratch one another, ranging from 1 (softest) to 10 (hardest).

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What mineral is ranked as the hardest on Moh's Hardness Scale?

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Diamond, which is ranked 10.

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What is the hardness of Quartz on Moh's Hardness Scale?

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Quartz has a hardness of 7.

Tags

NGSS.MS-PS1-1

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Which mineral can be scratched by Quartz?

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Orthoclase, which has a hardness of 6.

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What is the hardness of Talc on Moh's Hardness Scale?

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Talc is the softest mineral, ranked 1.

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If a mineral can scratch Fluorite, what can we infer about its hardness?

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It is harder than Fluorite, which has a hardness of 4.

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What is the hardness of Gypsum on Moh's Hardness Scale?

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Gypsum has a hardness of 2.

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Which mineral cannot be scratched by Orthoclase?

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Topaz, which has a hardness of 8.

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If a mineral is harder than Gypsum but softer than Topaz, what hardness range does it fall into?

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It falls into the hardness range of 4 to 8.

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What is the hardness of Feldspar on Moh's Hardness Scale?

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Feldspar has a hardness of 6.