Mohs Hardness Scale

NameHardness
Diamond10
Silicon carbide9.25
Corundum9
Chrysoberyl8.5
Spinel8
Painite8
Topaz8
Taaffeite8
Rhodizite8
Beryl7.5 to 8
Phenakite7.5 to 8
Zircon7.5
Alamandite Garnet7.5
Hambergite7.5
Euclase7.5
Gahnite7.5
Gahnospinel7.5
Rhodolite Garnet7 to 7.5
Pyrope Garnet7 to 7.5
Spessartine Garnet7 to 7.5
Tourmaline7 to 7.5
Andalusite7 to 7.5
Iolite7 to 7.5
Staurolite7 to 7.5
Grossularite Garnet7
Quartz7
Danburite7
Dumortierite7
Chalcedony6.5 to 7
Peridot6.5 to 7
Jadeite6.5 to 7
Andradite Garnet6.5 to 7
Axinite6.5 to 7
Saussurite6.5 to 7
Idocrase6.5
Scalpolite6.5
Kornerupine6.5
Pollucite6.5
Spodumene (Kunzite)6 to 7
Sinhalite6 to 7
Epidote6 to 7
Sillimanite6 to 7
Cassiterite6 to 7
Zoisite6 to 7
Rutile6 to 6.5
Microcline6 to 6.5
Orthoclase6 to 6.5
Nephrite (Jade)6 to 6.5
Pyrite6 to 6.5
Benitoite6 to 6.5
Marcasite6 to 6.5
Prehnite6 to 6.5
Labradorite6
Amblygonite6
Leucite6
Petalite6
Hematite5.5 to 6.5
Rhodonite5.5 to 6.5
Beryllonite5.5 to 6
Anastase5.5 to 6
Brazilianite5.5
Enstatite5.5
Willemite5.5
Moldavite5.5
Thomsonite5.5
Opal5 to 6.5
Diopside5 to 6
Glass5 to 6
Strontium titanate5 to 6
Lazulite5 to 6
Lapis-lazuli5 to 6
Turquoise5 to 6
Sodalite5 to 6
Chlorastrolite5 to 6
Sphene5 to 5.5
Obsidian5 to 5.5
Datolite5 to 5.5
Bowenite (serpentine)5 to 5.5
Apatite5
Scheelite5
Dioptase5
Smithsonite5
Odontolite5
Stibiotantalite5
Apophyllite 4.5 to 5
Zincite4.5
Kyanite4 to 7
Variscite4 to 5
Augelite4
Fluorite4
Rhodochrosite3.5 to 4.5
Malachite3.5 to 4
Azurite3.5 to 4
Sphalerite3.5
Coral3.5
Conch pearl3.5
Calcite3
Verdite3
Black Coral3
Hemetine2.5 to 6
Pearl2.5 to 4.5
Jet2.5 to 4
Pseudophite2.5
Agalmatolite2.5
Serpentine2 to 4
Amber2 to 2.5
Copal2
Aabaster2
Stichtite1.5 to 2
Steatite1 to 1.5