The geology_notes home page.
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Here is the Mohs Scale of hardness,
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Corundum
9 Diamond

enter key code here The geology_notes home page. back to anna_home Here is the Mohs Scale of hardness, 1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Corundum 9 Diamond

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