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    • Image of Talc and quartz and their different physical properties
    Rights: The University of Waikato Published 9 April 2010 Size: 160 KB Referencing Hub media

    Talc and quartz are common minerals, distinguished by different physical properties. Talc is soft, easily scratched and has a greasy feel. Quartz is hard and has a vitreous or glass-like appearance.

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      What are minerals?

      A mineral is an element or chemical compound that is normally crystalline and that has been formed as a result of geological processes. Examples include quartz, feldspar minerals, calcite, sulfur ...

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