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Hardness Of Minerals And Rock Type Laos

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The Mohs Scale of Hardness is the test used to identify types of rocks The scale goes from 1 to 10 with 1 being the softest and 10 being the hardest In order to do this test you do need to have a sample of each type of mineral Scratch the rock you are testing with the test specimen or several test specimens until you find one that scratches it