Talc and graphite are two of the lowest minerals on the hardness scale. They are also described by terms like greasy or soapy. Both have a crystal structure characterized by sheet- structures at the atomic level, yet they don't behave like micas. What accounts for their unusual physical properties?

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The Answer of Talc and graphite are two of the lowest minerals on the hardness scale. They are also described by terms like greasy or soapy. Both have a crystal structure characterized by sheet- structures at the atomic level, yet they don't behave like micas. What accounts for their unusual physical properties?

Talc and Graphite Are Two of the Lowest Minerals on the Hardness