
MOHS hardness scale
Scratch-resistant glass
Moh's hardness scale
Hardness | Material |
---|---|
1 | Talcum powder |
2 | Rock salt |
3 | Calcite |
4 | Fluorspar |
5 | Apatite |
6 | Feldspar |
6,5 | Borosilicate glass |
7 | Quartz |
8 | Topaz |
9 | Corundum, sapphire, ruby |
10 | Diamond |