Mohs Scale of Hardness - Sorted by Hardness

As defined by Wikipedia, Mohs scale of mineral hardness" characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material".

• 1.0
• 1.0 - 1.5
• 1.0 - 2.0
• 1.5 - 2.0
• 2.0
• 2.0 - 2.5
• 2.0 - 3.0
• 2.0 - 4.0
• 2.5
• 2.5 - 3.0
• 2.5 - 4.0
• 3.0
• 3.0 - 3.5
• 3.0 - 4.0
• 3.0 - 4.5
• 3.5
• 3.5 - 4.0
• 3.5 - 4.5
• 4.0
• 4.0 - 4.5
• 4.0 - 5.0
• 4.0 - 5.5
• 4.0 - 6.0
• 4.5
• 4.5 - 5.0
• 4.5 - 6.5
• 5.0
• 5.0 - 5.5
• 5.0 - 6.0
• 5.0 - 7.5
• 5.5
• 5.5 - 6.0
• 5.5 - 6.5
• 6.0
• 6.0 - 6.5
• 6.0 - 7.0
• 6.5
• 6.5 - 7.0
• 6.5 - 7.5
• 7.0
• 7.0 - 7.5
• 7.5
• 7.5 - 8.0
• 8.0
• 8.5
• 9.0
• 10.0
• Special Thanks to Trudi

HARDNESS:

1.0

Bauxite, Talc

1.0 - 1.5

Molybdenite

1.0 - 2.0

Aurichalcite, Graphite, Pyrophyllite,

1.5 - 2.0

Covellite, Desert Rose, Gypsum, Jet, Orpiment, Realgar, Selenite, Stichtite, Sulfur, Vivianite

2.0

Celadonite, Gilalite, Stibnite

2.0 - 2.5

Amber (Fossilized Tree Resin), Acanthite, Autunite, Bismuth, Borax, Chlorite, Cinnabar, Halite, Kaolinite, Muscovite, Proustite, Seraphinite, Torbenite

2.0 - 3.0

Fuchsite

2.0 - 4.0

Chrysanthemum Stone, Chrysocolla

2.5

Chalcanthite, Chrysotile, Galena, Linarite, Pyrargyrite, Pyrophyllite, Ulexite

2.5 - 3.0

Anglesite, Biotite, Chalcocite, Copper, Crocoite, Gold, Lepidolite, Silver, Vanadinite, Wulfenite

2.5 - 4.0

Buddstone

3.0

Astrophyllite, Bornite, Calcite, Cobaltocalcite, Manganocalcite, Septarian

3.0 - 3.5

Anhydrite, Antimony, Atacamite, Barite, Celestite, Cerussite, Millerite

3.0 - 4.0

Cacoxenite, Cavansite

3.0 - 4.5

Infinite, Serpentine

3.5

Adamite, Angelite, Arsenic, Fiedlerite, Howlite, Shattuckite

3.5 - 4.0

Aragonite, Azurite, Bronchantite, Chalcopyrite, Cuprite, Dolomite, Heulandite, Malachite, Mimetite, Pyromorphite, Rhodochrosite, Siderite, Stilbite, Sphalerite, Strontianite, Variscite, Wavellite

3.5 - 4.5

Magnesite

4.0

Creedite, Fluorite, Tugtupite, Zincite

4.0 - 4.5

Austinite, Colemanite, Purpurite, Platinum, Smithsonite, Wolframite

4.0 - 5.0

Chabazite, Iron Meteorite

4.0 - 5.5

Apophyllite, Green Apophyllite,Goethite,Limonite

4.0 - 6.0

Hollandite

4.5

Conichalcite

4.5 - 5.0

Gaspeite, Hemimorphite, Okenite, Pectolite, Scheelite, Wollastonite

4.5 - 6.5

Kyanite

5.0

Apatite, Charoite, Dioptase, Larimar, Lepidocrocite, Mesolite, Moldavite, Natrolite, Riebeckite, Thulite

5.0 - 5.5

Analcime, Datolite, Eudialyte, Goethite, Herderite, Lazurite, Obsidian, Scolecite, Sphene, Thomsonite

5.0 - 6.0

Anorthosite, Augite, Diopside, Hedenbergite, Hematite, Hornblende, Hypersthene, Lazulite, Lapis Lazuli, Neptunite, Psilomelane, Richterite, Scapolite, Sunstone, Tektite, Tremolite, Turquoise

5.0 - 7.5

Dalmatian Stone

5.5

Brazilianite, Chromite, Cobaltite, Willemite

5.5 - 6.0

Actinolite, Amblygonite, Arsenopyrite, Babingtonite, Bronzite, Brookite, Nuummite, Rhodonite, Sodalite,

5.5 - 6.5

Bustamite, Franklinite, Lodestone, Magnetite, Opal,

6.0

Aegirine, Blue Lace Agate, Botswana Agate, Columbite, Fire Agate, Orthoclase, Moss Agate, Tree Agate, Moonstone

6.0 - 6.5

Albite, Amazonite, Bixbyite, Clevelandite, Labradorite, Larvikite, Marcasite, Petalite, Prehnite, Pyrite, Rhyolite, Rutile, Sugilite, Tanzanite

6.0 - 7.0

Epidote, Cassiterite, Nebula Stone, Unakite

6.5

Fulgurite, Idocrase, Vesuvianite

6.5 - 7.0

Axinite, Diaspore, Hiddenite, Jade, Jadeite, Kunzite, Olivine, Peridot, Spodumene, Zoisite

6.5 - 7.5

Andalusite, Chiastolite, Garnet, Zircon

7.0

Agatized Coral, Ajoite(in quartz), Amethyst, Aura Quartz, Chevron Amethyst, Vera Cruz Amethyst, Ametrine, Aventurine, Bloodstone, Carnelian, Chalcedony, Chrysoprase, Citrine, Clinozoisite, Danburite, Dumortierite, Golden Healer Quartz, Hematoid Quartz, Herkimer Diamond, Iolite, Jasper, Lithium Quartz, Onyx, Pietersite, Prasiolite, Quartz, Rose Quartz, Sardonyx, Shiva Lingam, Smoky Quartz, Spirit Quartz, Strawberry Quartz, Super Seven, Tangerine Quartz, Tiger Eye, Tiger Iron,

7.0 - 7.5

Cordierite, Brown Tourmaline-Dravite, Red Tourmaline-Rubellite, Green Tourmaline-Verdelite, Blue Tourmaline-Indicolite, Black Tourmaline-Schorl, Staurolite

7.5

Euclase

7.5 - 8.0

Aquamarine, Bixbite, Emerald, Goshenite, Heliodor, Morganite, Phenakite, Spinel

8.0

Topaz

8.5

Chrysoberyl, Alexandrite

9.0

Sapphire, Ruby

10.0

Diamond

Special Thanks to Trudi

I want to post a special thanks to Trudi for volunteering to post all of the cross-links on this page - Shawn

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