Hardness scales
Hardness scales may refer to:
Methods of measuring mineral hardness[edit]
- Scratch hardness
- The Vickers hardness test
- The Brinell scale
- The Janka hardness test
- The Rockwell scale
- The Durometer scale
- The Barcol scale
- The Leeb rebound hardness scale
- The Rosiwal scale
- The Meyer hardness test
- The Knoop hardness test
Other hardness scales[edit]
Hardness scales may also refer to:
- Methods of measuring the deposit formation by hard water.
- The scale of Pencil hardness