The Mohs' scale is: 1-Talc, 2-Gypsum, 3-Calcite, 4-Fluorite, 5-Apatite, 6-Orthoclase, 7- Quartz, 8-Corundum, and 10-Diamond.
(The Mohs' scale; is; 1-Talc, 2-Gypsum, 3-Calcite, 4-Fluorite, 5-Apatite, 6-Orthoclase, 7- Quartz, 8-Corundum, and 10-Diamond)
The Mohs' scale
is
1-Talc, 2-Gypsum, 3-Calcite, 4-Fluorite, 5-Apatite, 6-Orthoclase, 7- Quartz, 8-Corundum, and 10-Diamond