Hardness scales

Hardness scales may refer to:

Methods of measuring mineral hardness

 * Scratch hardness
 * The Mohs scale of mineral 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
Hardness scales may also refer to:
 * Methods of measuring the deposit formation by hard water.
 * The scale of Pencil hardness