Hardness

 
Moh’s Hardness Table
Diamond
Moissanite
Corundum
Chrysoberyl
Cubic Zirconia
Rhodizite
YAG
Painite
Spinel
Taaffeite
Topaz
Beryl Family
Gahnite
Gahnospinel
Phenakite
Almandite Garnet
Euclase
Hambergite
Sapphirine
Zircon (high, med.)
Andalusite
Boracite
Iolite
Pyrope Garnet
Rhodolite Garnet
Spessartite Garnet
Simpsonite
Staurolite
Tourmaline
Chambersite
Danburite
Dumortierite
Grossular Garnet
Quartz
Euclase
Jeremejevite
Andradite Garnet
Axinite
Chalcedony
Diaspore
Jadeite
Peridot
Saussurite
Kornerupine
Nambulite
Pollucite
Scapolite
Zircon (low)
Cassiterite
Clinozoisite
Epidote
Idocrase
Sillimanite
Sinhalite
Spodumene Family
Tanzanite
Zoisite
Benitoite
Feldspar Family
Nephrite
Marcasite
Oligoclase
Orthoclase
Prehnite
Pyrite
Rutile
Sugilite
Amblygonite
Clinohumite
Labradorite
Petalite
Zektzerite
Bustamite
Diopside
Hematite
Manganotantalite
Opal
Rhodonite
Tektite
Anatase
Beryllonite
Hackmanite
Hauyne
Lazulite
Leucite
Milarite
Pyroxmangite
Actinolite
Brazilianite
Moldavite
Thomsonite
Willemite
Ekanite
Charoite
Chlorastrolite
Enstatite
Glass
Lazurite
Neptunite
Sodalite
Strontium Titanate
Turquoise
Datolite
Eudialyte
Herderite
Microlite
Monazite
Obsidian
Sellaite
Sphene
Apatite
Scheelite
Dioptase
Eosphorite
Apophyllite
Augelite
Legrandite
Synthetic Opal
Yugawaralite
Smithsonite
Zincite
Kyanite
Tugtupite
Friedelite
Triphylite
Variscite
Xenotime
Augelite
Creedite
Fluorite
Magnesite
Siderite
Aragonte
Azurite
Coral
Cuprite
Dolomite
Malachite
Powellite
Rhodochrosite
Sphalerite
Adamite
Thaumasite
Weloganite
Barite
Boleite
Celestite
Cerussite
Millerite
Witherite
Calcite
Verdite
Hemetite
Pearl
Jet
Crysocolla
Serpentine
Anglesite
Crocoite
Vanadinite
Wulfenite
Pyrargyrite
Amber
Proustite
Gypsum
Alabaster
Stichtite
Soapstone
Pyrophyllite
 
10
9.25
9
8.5
8.5
8.5
8.25
8
8
8
8
7.5-8
7.5-8
7.5-8
7.5-8
7.5
7.5
7.5
7.5
7.5
7-7.5
7-7.5
7-7.5
7-7.5
7-7.5
7-7.5
7-7.5
7-7.5
7-7.5
7
7
7
7
7
6.5-7.5
6.5-7.5
6.5-7
6.5-7
6.5-7
6.5-7
6.5-7
6.5-7
6.5-7
6.5
6.5
6.5
6.5
6.5
6-7
6-7
6-7
6-7
6-7
6-7
6-7
6-7
6-7
 6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6-6.5
6
6
6
6
6
5.5-6.5
5.5-6.5
5.5-6.5
5.5-6.5
5.5-6.5
5.5-6.5
5.5-6.5
5.5-6
5.5-6
5.5-6
5.5-6
5.5-6
5.5-6
5.5-6
5.5-6
5.5
5.5
5.5
5.5
5.5
5-6.5
5-6
5-6
5-6
5-6
5-6
5-6
5-6
5-6
5-6
5-5.5
5-5.5
5-5.5
5-5.5
5-5.5
5-5.5
5-5.5
5-5.5
5
5
5
5
 4.5-5
4.5-5
4.5
4.5
4.5
4-4.5
4-4.5
4-7
4-6.5
4-5
4-5
4-5
4-5
4
4
4
3.5-4.5
3.5-4.5
3.5-4
3.5-4
3.5-4
3.5-4
3.5-4
3.5-4
3.5-4
3.5-4
3.5-4
3.5
3.5
3.5
3-3.5
3-3.5
3-3.5
3-3.5
3-3.5
3-3.5
3
3
2.5-6
2.5-4.5
2.5-4
2-4
2-4
2.5-3
2.5-3
2.5-3
2.5-3
2.5
2-2.5
2-2.5
2
2
1.5-2
1-2.5
1-2