The Mohs Hardness Scale
	
10 	Diamond
9 	Corundum
8 	Topaz
7 	Quartz
6 	Feldspar
5 	Apatite
4 	Fluorite
3 	Calcite
2 	Gypsum
1 	Talc
Select Gems Ordered By Mohs Hardness

Name 	Hardness 	Name 	Hardness
Diamond 	10 	Hypersthene 	5 – 6
Synth. Moissanit 	9½ 	Ilmenite 	5 – 6
Ruby 	9 	Lapis Lazuli 	5 – 6
Sapphire 	9 	Lazulite 	5 – 6
Alexandrite 	8½ 	Nepheline 	5 – 6
Chrysoberyll 	8½ 	Neptunite 	5 – 6
Holtite 	8½ 	Pargasite 	5 – 6
YAG 	8½ 	Richterite 	5 – 6
Zirconia 	8½ 	Samarskite 	5 – 6
Rhodizite 	8 – 8½ 	Stibiotantalite 	5 – 6
Taafeite 	8 – 8½ 	Tremolite 	5 – 6
Spinel 	8 	Turquoise 	5 – 6
Topaz 	8 	Analcime 	5 – 5½
Aquamarine 	7½ – 8 	Datolite 	5 – 5½
Red Beryl 	7½ – 8 	Durangite 	5 – 5½
Precious Beryl 	7½ – 8 	Eudialyte 	5 – 5½
Gahnite 	7½ – 8 	Goethite 	5 – 5½
Galaxite 	7½ – 8 	Herderite 	5 – 5½
Painite 	7½ – 8 	Hydroxylherderite 	5 – 5½
Phenakite 	7½ – 8 	Meliphanite 	5 – 5½
Emerald 	7½ – 8 	Mesolite 	5 – 5½
Andalusite 	7½ 	Microlite 	5 – 5½
Euclase 	7½ 	Monazite 	5 – 5½
Hambergite 	7½ 	Natrolite 	5 – 5½
Sapphirine 	7½ 	Nickeline 	5 – 5½
Dumortierite 	7 – 8½ 	Papagoite 	5 – 5½
Almandine 	7 – 7½ 	Psilomelane 	5 – 5½
Boracite 	7 – 7½ 	Scolecite 	5 – 5½
Cordierite 	7 – 7½ 	Sellaite 	5 – 5½
Danburite 	7 – 7½ 	Thomsonite 	5 – 5½
Grandidierite 	7 – 7½ 	Titanite 	5 – 5½
Pyrope 	7 – 7½ 	Wolframite 	5 – 5½
Schorlomite 	7 – 7½ 	Yttrotantalite 	5 – 5½
Sekaninaite 	7 – 7½ 	Apatite 	5
Simpsonite 	7 – 7½ 	Bismutotantalite 	5
Spessartine 	7 – 7½ 	Childrenite 	5
Staurolite 	7 – 7½ 	Chlorapatite 	5
Turmaline 	7 – 7½ 	Dioptase 	5
Uvarovite 	7 – 7½ 	Eosphorite 	5
Amethyst 	7 	Flourapatite 	5
Aventurine 	7 	Hemimorphite 	5
Rock Crystal 	7 	Hydroxylapatite 	5
Chambersite 	7 	Mangan-Apatite 	5
Chromdravite 	7 	Odontolite 	5
Citrine 	7 	Rinkite 	5
Forsterite 	7 	Schlossmacherite 	5
Povondraite 	7 	Smithsonite 	5
Quartz 	7 	Spurrite 	5
Smoky Quartz 	7 	Strass 	5
Zunyite 	7 	Vayrynenite 	5
Garnet 	6½ – 7½ 	Ekanite 	4½ – 6½
Jeremejevite 	6½ – 7½ 	Apophyllite 	4½ – 5
Sillimanite 	6½ – 7½ 	Augelite 	4½ – 5
Zircon 	6½ – 7½ 	Charoite 	4½ – 5
Axinite 	6½ – 7 	Gaspéite 	4½ – 5
Chalcedony 	6½ – 7 	Hodgkinsonite 	4½ – 5
Chrysoprase 	6½ – 7 	Legrandite 	4½ – 5
Diaspore 	6½ – 7 	Pectolite 	4½ – 5
Ferro-Axinite 	6½ – 7 	Scheelite 	4½ – 5
Gadolinite 	6½ – 7 	Wardite 	4½ – 5
Grossular 	6½ – 7 	Wollastonite 	4½ – 5
Hiddenite 	6½ – 7 	Bayldonite 	4½
Jadeite 	6½ – 7 	Colemanite 	4½
Jasper 	6½ – 7 	Parisite 	4½
Kornerupine 	6½ – 7 	Prosopite 	4½
Kunzite 	6½ – 7 	Yugawaralite 	4½
Mangan-Axinite 	6½ – 7 	Kyanite 	4 – 7
Peridot 	6½ – 7 	Sérandite 	4 – 5½
Pollucite 	6½ – 7 	Chabazite 	4 – 5
Serendibite 	6½ – 7 	Friedelite 	4 – 5
Sinhalite 	6½ – 7 	Lithiophilite 	4 – 5
Spodumene 	6½ – 7 	Mordenite 	4 – 5
Tanzanite 	6½ – 7 	Triphylite 	4 – 5
Thorianite 	6½ – 7 	Variscite 	4 – 5
Tinzenite 	6½ – 7 	Zincite 	4 – 5
GGG 	6½ 	Carletonite 	4 – 4½
Magnesio-Axinite 	6½ 	Hübnerite 	4 – 4½
Nambulite 	6½ 	Purpurite 	4 – 4½
Vesuvianite 	6½ 	Algodonite 	4
Cassiterite 	6 – 7 	Ammonite 	4
Clinozoisite 	6 – 7 	Barytocalcite 	4
Epidote 	6 – 7 	Flourite 	4
Hancockite 	6 – 7 	Leucophanite 	4
Pyrolusite 	6 – 7 	Libethenite 	4
Sogdianite 	6 – 7 	Rhodochrosite 	4
Amazonite 	6 – 6½ 	Magnesite 	3½ – 4½
Andesine 	6 – 6½ 	Siderite 	3½ – 4½
Anorthoclase 	6 – 6½ 	Ankerite 	3½ – 4
Benitoite 	6 – 6½ 	Aragonite 	3½ – 4
Bixbyite 	6 – 6½ 	Azurite 	3½ – 4
Bytownite 	6 – 6½ 	Chalcopyrite 	3½ – 4
Chondroite 	6 – 6½ 	Creedite 	3½ – 4
Helvite 	6 – 6½ 	Cuprite 	3½ – 4
Hyalophane 	6 – 6½ 	Dickinsonite 	3½ – 4
Labradorite 	6 – 6½ 	Dolomite 	3½ – 4
Marcasite 	6 – 6½ 	Euchroite 	3½ – 4
Microcline 	6 – 6½ 	Langbeinite 	3½ – 4
Nephrite 	6 – 6½ 	Malachite 	3½ – 4
Norbergite 	6 – 6½ 	Mimetite 	3½ – 4
Oligoclase 	6 – 6½ 	Pentlandite 	3½ – 4
Petalite 	6 – 6½ 	Powellite 	3½ – 4
Prehnite 	6 – 6½ 	Scorodite 	3½ – 4
Pyrite 	6 – 6½ 	Shungite 	3½ – 4
Rutile 	6 – 6½ 	Shattuckite 	3½ – 4
Sanidine 	6 – 6½ 	Sphalerite 	3½ – 4
Smaragdite 	6 – 6½ 	Wavellite 	3½ – 4
Sugilite 	6 – 6½ 	Wurtzite 	3½ – 4
Tantalite 	6 – 6½ 	Adamite 	3½
Xonotlite 	6 – 6½ 	Anhydrite 	3½
Zoisite 	6 – 6½ 	Chiolite 	3½
Aegirine 	6 	Huréaulite 	3½
Amblygonite 	6 	Strontianite 	3½
Clinohumite 	6 	Thaumasite 	3½
Humite 	6 	Weloganite 	3½
Hurlbutite 	6 	Cacoxenite 	3 -4
Lawsonite 	6 	Coral 	3 -4
Pumpellyite 	6 	Ludlamite 	3 -4
Tephroite 	6 	Anglesite 	3 – 3½
Vlasovite 	6 	Baryte 	3 – 3½
Zektzerite 	6 	Boleite 	3 – 3½
Hematite 	5½ – 6½ 	Cerussite 	3 – 3½
Hedenbergite 	5½ – 6½ 	Celestine 	3 – 3½
Magnetite 	5½ – 6½ 	Descloizite 	3 – 3½
Manganotantalite 	5½ – 6½ 	Greenockite 	3 – 3½
Opal 	5½ – 6½ 	Howlite 	3 – 3½
Rhodonite 	5½ – 6½ 	Millerite 	3 – 3½
Actinolite 	5½ – 6 	Phosphophyllite 	3 – 3½
Allanite 	5½ – 6 	Witherite 	3 – 3½
Anatase 	5½ – 6 	Bornite 	3
Beryllonite 	5½ – 6 	Calcite 	3
Brookite 	5½ – 6 	Kurnakovite 	3
Bustamite 	5½ – 6 	Shortite 	3
Canasite 	5½ – 6 	Wulfenite 	3
Cobaltite 	5½ – 6 	Serpentine 	 2½ –  5½
Euxenite 	5½ – 6 	Pearl 	 2½ –  4½
Fabulite 	5½ – 6 	Jet 	 2½ –  4
Fergusonite 	5½ – 6 	Chalcocite 	 2½ –  3
Haüyne 	5½ – 6 	Crocoite 	 2½ –  3
Leucite 	5½ – 6 	Gaylussite 	 2½ –  3
Marialite 	5½ – 6 	Gold 	 2½ –  3
Meionite 	5½ – 6 	Inderite 	 2½ –  3
Milarite 	5½ – 6 	Lepidolite 	 2½ –  3
Montebrasite 	5½ – 6 	Pyrargyrite 	 2½ –  3
Natromontebrasite 	5½ – 6 	Silver 	 2½ –  3
Periclase 	5½ – 6 	Stolzite 	 2½ –  3
Pyroxmangite 	5½ – 6 	Vanadinite 	 2½ –  3
Sarcolite 	5½ – 6 	Whewellite 	 2½ –  3
Scorzalite 	5½ – 6 	Brucite 	 2½
Scapolite 	5½ – 6 	Cryolite 	 2½
Sodalite 	5½ – 6 	Linarite 	 2½
Tugtupite 	5½ – 6 	Lizardite 	 2½
Brazilianite 	5½ 	Proustite 	 2½
Breithauptite 	5½ 	Sturmanite 	 2½
Chromite 	5½ 	Chrysocolla 	2 – 4
Enstatite 	5½ 	Clinochrysotile 	2 -3
Linobate 	5½ 	Fuchsite 	2 -3
Magnesiochromite 	5½ 	Muscovite 	2 -3
Moldavite 	5½ 	Phosgenite 	2 -3
Willemite 	5½ 	Shomiokite 	2 -3
Aeschynite 	5 – 6 	Amber 	2 –  2½
Bronzite 	5 – 6 	Cinnabar 	2 –  2½
Cancrinite 	5 – 6 	Ettringite 	2 –  2½
Catapleiite 	5 – 6 	Kämmererite 	2 –  2½
Ceruléite 	5 – 6 	Mellite 	2 –  2½
Clinoenstatite 	5 – 6 	Senarmontite 	2 –  2½
Davidite 	5 – 6 	Ulexite 	2 –  2½
Diopside 	5 – 6 	Villiaumite 	2 –  2½
Ferrosilite 	5 – 6 	Gypsum 	2
Hornblende 	5 – 6 	Stichtite 	1½  –  2½
		Sulphur 	1½  –  2½
		Covellite 	1½  –  2
		Melonite 	1½  –  2
		Realgar 	1½  –  2
		Vivianite 	1½  –  2
		Palygorskite 	1 – 2
		Pyrophyllite 	1 – 2
		Talc 	1