Moh's hardness scale

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Age: 9-12
Level: grade 5
Language: English (en)
ID: 151206
03/05/2020
Country code: AE
Country: United Arab Emirates
School subject: Science (1061951)
Main content: Minerals (1863550)

Moh's hardness scale

Other contents: Hardness of minerals

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Moh's hardness scale

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