Post by dshanpnw on Dec 2, 2021 17:56:00 GMT -5
Mohs Hardness of Common Minerals
Alphabetical
Anhydrite
3 to 3.5
Apatite
5
Arsenopyrite
5.5 to 6
Augite
5.5 to 6
Azurite
3.5 to 4
Barite
2.5 to 3.5
Bauxite
1 to 3
Beryl
7.5 to 8
Biotite
2.5 to 3
Bornite
3 to 3.25
Calcite
3
Cassiterite
6 to 7
Chalcocite 2.5 to 3
Chalcopyrite
3.5 to 4
Chlorite
2 to 2.5
Chromite
5.5 to 6
Chrysoberyl
8.5
Cinnabar
2 to 2.5
Copper
2.5 to 3
Cordierite
7 to 7.5
Corundum
9
Cuprite 3.5 to 4
Diamond
10
Diopside
5.5 to 6.5
Dolomite
3.5 to 4
Enstatite 5 to 6
Epidote
6 to 7
Euclase
7.5
Fluorite
4
Galena
2.5+
Garnet
6.5 to 7.5
Glauconite 2
Gold
2.5 to 3
Graphite
1 to 2
Gypsum
1.5 to 2
Halite
2 to 2.5
Hematite
5 to 6.5
Hornblende
5 to 6
Ilmenite
5 to 6
Jadeite
6.5 to 7
Kyanite
4.5 to 7
Limonite
1 to 5
Magnesite
3.5 to 5
Magnetite
5 to 6.5
Malachite
3.5 to 4
Marcasite
6 to 7.5
Molybdenite
1 to 2
Monazite
5 to 5.5
Muscovite
2 to 3
Nepheline 5.5 to 6
Nephrite
6 to 6.5
Olivine
6.5 to 7
Orthoclase
6 to 6.5
Plagioclase
6 to 6.5
Prehnite 6 to 6.5
Pyrite
6 to 6.5
Pyrophyllite 1 to 2
Pyrrhotite
3.5 to 4
Quartz
7
Rhodochrosite
3.5 to 4
Rhodonite
5.5 to 6.5
Rutile
6 to 6.5
Serpentine
3 to 5
Siderite 3.5 to 4.5
Sillimanite 6.5 to 7.5
Silver
2.5 to 3
Sodalite
5.5 to 6
Sphalerite
3.5 to 4
Spinel
8
Spodumene
6.5 to 7
Staurolite
7 to 7.5
Sulfur
1.5 to 2.5
Sylvite 2
Talc
1
Titanite
5 to 5.5
Topaz
8
Tourmaline
7 to 7.5
Turquoise
5 to 6
Uraninite
5 to 6
Vanadinite
3 to 4
Witherite 3 to 3.5
Wollastonite 4.5 to 5.5
Zircon
7.5
Zoisite
6 to 7
Decreasing Hardness
Diamond
10
Corundum
9
Chrysoberyl
8.5
Topaz
8
Spinel
8
Beryl
7.5 to 8
Euclase
7.5
Zircon
7.5
Cordierite
7 to 7.5
Staurolite
7 to 7.5
Tourmaline
7 to 7.5
Quartz
7
Garnet
6.5 to 7.5
Jadeite
6.5 to 7
Sillimanite 6.5 to 7.5
Olivine
6.5 to 7
Spodumene
6.5 to 7
Marcasite
6 to 7.5
Cassiterite
6 to 7
Epidote
6 to 7
Zoisite
6 to 7
Nephrite
6 to 6.5
Orthoclase
6 to 6.5
Plagioclase
6 to 6.5
Prehnite 6 to 6.5
Pyrite
6 to 6.5
Rutile
6 to 6.5
Diopside
5.5 to 6.5
Rhodonite
5.5 to 6.5
Arsenopyrite
5.5 to 6
Augite
5.5 to 6
Chromite
5.5 to 6
Hematite
5.5 to 6.5
Nepheline 5.5 to 6
Sodalite
5.5 to 6
Magnetite
5 to 6.5
Enstatite 5 to 6
Hornblende
5 to 6
Ilmenite
5 to 6
Turquoise
5 to 6
Uraninite
5 to 6
Monazite
5 to 5.5
Titanite
5 to 5.5
Apatite
5
Wollastonite 4.5 to 5.5
Kyanite
4.5 to 7
Fluorite
4
Magnesite
3.5 to 5
Siderite 3.5 to 4.5
Azurite
3.5 to 4
Chalcopyrite
3.5 to 4
Cuprite 3.5 to 4
Dolomite
3.5 to 4
Malachite
3.5 to 4
Pyrrhotite
3.5 to 4
Rhodochrosite
3.5 to 4
Sphalerite
3.5 to 4
Serpentine
3 to 5
Vanadinite
3 to 4
Anhydrite
3 to 3.5
Witherite 3 to 3.5
Bornite
3 to 3.25
Calcite
3
Barite
2.5 to 3.5
Biotite
2.5 to 3
Chalcocite 2.5 to 3
Copper
2.5 to 3
Gold
2.5 to 3
Silver
2.5 to 3
Galena
2.5+
Muscovite
2 to 3
Chlorite
2 to 2.5
Cinnabar
2 to 2.5
Halite
2 to 2.5
Glauconite 2
Sylvite 2
Sulfur
1.5 to 2.5
Gypsum
1.5 to 2
Limonite
1 to 5
Bauxite
1 to 3
Graphite
1 to 2
Molybdenite
1 to 2
Pyrophyllite 1 to 2
Talc
1
Alphabetical
Anhydrite
3 to 3.5
Apatite
5
Arsenopyrite
5.5 to 6
Augite
5.5 to 6
Azurite
3.5 to 4
Barite
2.5 to 3.5
Bauxite
1 to 3
Beryl
7.5 to 8
Biotite
2.5 to 3
Bornite
3 to 3.25
Calcite
3
Cassiterite
6 to 7
Chalcocite 2.5 to 3
Chalcopyrite
3.5 to 4
Chlorite
2 to 2.5
Chromite
5.5 to 6
Chrysoberyl
8.5
Cinnabar
2 to 2.5
Copper
2.5 to 3
Cordierite
7 to 7.5
Corundum
9
Cuprite 3.5 to 4
Diamond
10
Diopside
5.5 to 6.5
Dolomite
3.5 to 4
Enstatite 5 to 6
Epidote
6 to 7
Euclase
7.5
Fluorite
4
Galena
2.5+
Garnet
6.5 to 7.5
Glauconite 2
Gold
2.5 to 3
Graphite
1 to 2
Gypsum
1.5 to 2
Halite
2 to 2.5
Hematite
5 to 6.5
Hornblende
5 to 6
Ilmenite
5 to 6
Jadeite
6.5 to 7
Kyanite
4.5 to 7
Limonite
1 to 5
Magnesite
3.5 to 5
Magnetite
5 to 6.5
Malachite
3.5 to 4
Marcasite
6 to 7.5
Molybdenite
1 to 2
Monazite
5 to 5.5
Muscovite
2 to 3
Nepheline 5.5 to 6
Nephrite
6 to 6.5
Olivine
6.5 to 7
Orthoclase
6 to 6.5
Plagioclase
6 to 6.5
Prehnite 6 to 6.5
Pyrite
6 to 6.5
Pyrophyllite 1 to 2
Pyrrhotite
3.5 to 4
Quartz
7
Rhodochrosite
3.5 to 4
Rhodonite
5.5 to 6.5
Rutile
6 to 6.5
Serpentine
3 to 5
Siderite 3.5 to 4.5
Sillimanite 6.5 to 7.5
Silver
2.5 to 3
Sodalite
5.5 to 6
Sphalerite
3.5 to 4
Spinel
8
Spodumene
6.5 to 7
Staurolite
7 to 7.5
Sulfur
1.5 to 2.5
Sylvite 2
Talc
1
Titanite
5 to 5.5
Topaz
8
Tourmaline
7 to 7.5
Turquoise
5 to 6
Uraninite
5 to 6
Vanadinite
3 to 4
Witherite 3 to 3.5
Wollastonite 4.5 to 5.5
Zircon
7.5
Zoisite
6 to 7
Decreasing Hardness
Diamond
10
Corundum
9
Chrysoberyl
8.5
Topaz
8
Spinel
8
Beryl
7.5 to 8
Euclase
7.5
Zircon
7.5
Cordierite
7 to 7.5
Staurolite
7 to 7.5
Tourmaline
7 to 7.5
Quartz
7
Garnet
6.5 to 7.5
Jadeite
6.5 to 7
Sillimanite 6.5 to 7.5
Olivine
6.5 to 7
Spodumene
6.5 to 7
Marcasite
6 to 7.5
Cassiterite
6 to 7
Epidote
6 to 7
Zoisite
6 to 7
Nephrite
6 to 6.5
Orthoclase
6 to 6.5
Plagioclase
6 to 6.5
Prehnite 6 to 6.5
Pyrite
6 to 6.5
Rutile
6 to 6.5
Diopside
5.5 to 6.5
Rhodonite
5.5 to 6.5
Arsenopyrite
5.5 to 6
Augite
5.5 to 6
Chromite
5.5 to 6
Hematite
5.5 to 6.5
Nepheline 5.5 to 6
Sodalite
5.5 to 6
Magnetite
5 to 6.5
Enstatite 5 to 6
Hornblende
5 to 6
Ilmenite
5 to 6
Turquoise
5 to 6
Uraninite
5 to 6
Monazite
5 to 5.5
Titanite
5 to 5.5
Apatite
5
Wollastonite 4.5 to 5.5
Kyanite
4.5 to 7
Fluorite
4
Magnesite
3.5 to 5
Siderite 3.5 to 4.5
Azurite
3.5 to 4
Chalcopyrite
3.5 to 4
Cuprite 3.5 to 4
Dolomite
3.5 to 4
Malachite
3.5 to 4
Pyrrhotite
3.5 to 4
Rhodochrosite
3.5 to 4
Sphalerite
3.5 to 4
Serpentine
3 to 5
Vanadinite
3 to 4
Anhydrite
3 to 3.5
Witherite 3 to 3.5
Bornite
3 to 3.25
Calcite
3
Barite
2.5 to 3.5
Biotite
2.5 to 3
Chalcocite 2.5 to 3
Copper
2.5 to 3
Gold
2.5 to 3
Silver
2.5 to 3
Galena
2.5+
Muscovite
2 to 3
Chlorite
2 to 2.5
Cinnabar
2 to 2.5
Halite
2 to 2.5
Glauconite 2
Sylvite 2
Sulfur
1.5 to 2.5
Gypsum
1.5 to 2
Limonite
1 to 5
Bauxite
1 to 3
Graphite
1 to 2
Molybdenite
1 to 2
Pyrophyllite 1 to 2
Talc
1