| Hardness | Hardness | Hardness | Hardness | Hardness | Hardness | Hardness | Hardness | Hardness |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Acroite: Colorless Tourmaline | | | | | 7 – 7.5 | | |
Actinolite | | | | | 5 | | | | |
Adamite | | | | | | 6 | | | |
Adularia | | | | | | 6 | | | |
Aerinite | | | 3 | | | | | | |
Afghanite | | | | 4.5 – 6 | | | | | |
Agate | | | | | | 6.5 – 7 | | | |
Agrellite | | | | | 5,5 | | | | |
Ajoite,Shattuckite & Paragonite | 2.5 – 3.50 | | | | | | | |
Alabandite | | 3.5 – 4 | | | | | | |
Alexandrite | | | | | | | 8,5 | |
Almandine Garnet | | | | | | 7,5 | | |
Almandine Garnet in Beryl: Goshenite | | | | 7.5 | | |
Almandine Garnet in Quartz | | | | | 7 | | |
Althausite | | | 3.5 – 4 | | | | | | |
Aluminum | | 2.5 – 3 | | | | | | | |
Amazonite | | | | | 6 – 6.5 | | | |
Amber | | 2 – 2.5 | | | | | | | |
Ambligonite | | | | | 6 | | | |
Amethyst | | | | | | | 7 | | |
Amphibole in Quartz | | | | | | 7 | | |
Analcime | | | | | 5 – 5.5 | | | | |
Anatase | | | | | 5.5 – 6 | | | | |
Andalusite | | | | | | 7 – 7.5 | | |
Andesine | | | | | | 6.- 6.5 | | | |
Andorite | | 3 – 3.50 | | | | | | | |
Andradite Garnet | | | | | 6,5 | | | |
Anglesite | | 2.5 – 3 | | | | | | | |
Ankangite in Quartz | | | | | | 7 | | |
Anorthite | | | | | | 6 – 6.5 | | | |
Antigorite | | 2.50 – 4 | | | | | | | |
Apache Tear | | | | 6.5 – 7 | | | | |
Apatite | | | | | 5 | | | | |
Apophyllite | | | 4.5 – 5 | | | | | |
Aquamarine | | | | | | | 7,5 | | |
Aragonite | | | 3.5 – 4 | | | | | | |
Arandisite | | | | | | 6 | | | |
Arsenopyrite | | | | 5.5 – 6 | | | | |
Artinite | | 2.5 | | | | | | | |
Astrophyllite | | 3 – 3.5 | | | | | | |
Atlantisite-Serpentine | | 2.5 – 3 | | | | | | | |
Augelite | | | 4.5 – 5 | | | | | | |
Austinite | | | | 4 – 4.5 | | | | | |
Autunite-microcline | 2 – 2.5 | | | | | | | |
Axinite | | | | | | | 7 | | |
Azurite | | | 3 .5 – 4 | | | | | | |
Azurite with Chrysocolla | 3.5-4 | | | | | | |
Babingtonite | | | | 5.5 – 6 | | | | |
Baddeleyite | | | | | 6,5 | | | |
Baratovite | | | 3,5 | | | | | | |
Barilite-tilasite | | | | | | 7 | | |
Barite | | | 3 – 3.50 | | | | | | |
Barylite-Tilasite | | | | 5 – 7. | | | | |
Bastnaesite | | | 4,5 | | | | | |
Benitoite | | | | | | 6 – 6.5 | | | |
Bertossaite-burangaite | | | | 6 | | | |
Beryl: Aquamarine | | | | | | 7,5 | | |
Beryl: Emerald | | | | | | 7,5 | | |
Beryl: Goshenite | | | | | | 7,5 | | |
Beryl: Heliodor | | | | | | 7,5 | | |
Beryl: Maxixe | | | | | | 7,5 | | |
Beryl: Morganite | | | | | | 7,5 | | |
Beryl: Red Emerald | | | | | | 7,5 | | |
Beryl: Vorobyevite | | | | | | 7,5 | | |
Beryllonite | | | | 5.5 – 6 | | | | |
Berzelianite | 2 | | | | | | | |
Beyozoans | | | | | | | | |
Bikitaite | | | | | | 6 | | | |
Boleite | | | 3- 5.5 | | | | | | |
Boracite | | | | | | | 7 – 7.5 | | |
Bornite | | | 3 | | | | | | |
Brass | | | 3 -4. | | | | | | |
Brazilianite | | | | 5,5 | | | | |
Breunnerite | | | 4,5 | | | | | |
Bronze | | | | 4,5 | | | | | |
Bronzite | | | | | 5.5 – 6 | | | | |
Brookite | | | | | 5.5 – 6 | | | | |
Brookite in Quartz | | | | | | 7 | | |
Brucite | | 2,5 | | | | | | | |
Bryozoans | | 3.5 – 4 | | | | | | |
Bumble bee Stone | 2.5 – 3.5 | | | | | | | |
Bertossaite Burangaite | | | 5 | | | | |
Burmite: Amber | 2 – 2.5 | | | | | | | |
Bustamite | | | | | 5.5 – 6 | | | | |
Cadmium | | 2 | | | | | | | |
Calcio-samarskite | | | | 5 – 6. | | | | |
Calcite | | | 3 | | | | | | |
Cancrinite | | | | | 5 -6. | | | | |
Carletonite | | | 4- 4.5 | | | | | |
Cassiterite | | | | | 6 – 7. | | | |
Cavansite | | | | | 5.5 – 6 | | | | |
Celestine | | | 3 – 3.5 | | | | | | |
Cerussite | | | 3 – 3.5 | | | | | | |
Ceruleite | | | | | 5-6. | | | | |
Chalcopyrite | | 3.5 – 4 | | | | | | |
Chamosite | | 3 | | | | | | |
Charoite | | | | | 5-6. | | | | |
Chlorargyrite | 2-Jan | | | | | | | | |
Chondrite | | | | | 5 – 6. | | | | |
Chondrite bassikounou | | | 5,5 | | | | |
Chondrite: Meteorite | | | | 5,5 | | | | |
Chrome Antigorite | | 3.5 – 4 | | | | | | |
Chrome Chalcedony | | | | | 6,5 | | | |
Chrome Diopside | | | | 5,5 | | | | |
Chrome Sphene | | | | 5 – 5.5 | | | | |
Chromite | | | | | 5.5 – 6 | | | | |
Chrysoberyl | | | | | | | 8,5 | |
Chrysocolla – Cuprite | 2 | | | | | | | |
Chrysocolla + Gem Silica | 2 | | | | | | | |
Chrysophase | | | | | | 7 | | |
Cinnabar | | 2- 2.5 | | | | | | | |
Citrine : Quartz | | | | | | 7 | | |
Clausthalite | 2.5-3 | | | | | | | |
Clinohumite | | | | | 6 | | | |
Clinozisite | | | | 5,5 | | | | |
Cobaltite | | | | | 5,5 | | | | |
Cobaltocalcite | | 3 – 3.5 | | | | | | |
Coffinite | | | | | 5 – 6. | | | | |
Colemanite | | | 4,5 | | | | | |
Columbite | | | | | | 6 | | | |
Copper | | 2.5 – 5 | | | | | | | |
Coprolite | | | | | | 6.5-7 | | | |
Carnellian | | | | | | | 7 | | |
Corundum: Sapphire | | | | | | 7 | | 9 |
Cosmic Obsidian | | | | | 6.5 – 7 | | | |
Covellite | | | | 4 | | | | | |
Creedite | | | | 3.5 – 4 | | | | | |
Crocoite | | 2.5 – 3 | | | | | | | |
Cuprite | | | 3.5 – 4 | | | | | | |
Cyprine | | | | | | 6 | | | |
Danburite | | | | | | | 7 | | |
Datolite | | | | | 5 – 5.5 | | | | |
Diaspore | | | | | | 6.5 – 7 | | | |
Dinasour bone | | | | | 6 | | | |
Diopside | | | | | 5 | | | | |
Dioptase | | | | | 5 | | | | |
Diorite | | | | | 5 | | | | |
Dolomite | | | 3.5 – 4 | | | | | | |
Dravite | | | | | | | 7 | | |
Dumortierite | ? | | | | | | 7 | | |
Dumortierite in Quartz | | | | | 7 | | |
Dunilite | | | | | | 6 | | | |
Ekanite | | | | | 5 -6.5 | | | | |
Emerald | | | | | | | 7,5 | | |
Endlichite | | 2,5 | | | | | | | |
Enstatite | | | | | 5 – 6. | | | | |
Eosphorite | | | | 5 | | | | |
Epididymite | | | | 5,5 | | | | |
Epidot | | | | | | 6,5 | | | |
Epidot in Quartz | | | | | | 7 | | |
Ettringite | | 2 – 2.5 | | | | | | | |
Euclase | | | | | | | 7,5 | | |
Eucryptite | | | | | | 6,5 | | | |
Eudialyte | | | | | 5 – 5.5 | | | | |
Eulytine | | | | 4,5 | | | | | |
Fassaite | | | | | | 6 | | | |
Feldspar | | | | | | 6 | | | |
Ferberite | | | | 4 – 4.5 | | | | | |
Ferri-fluoro-tschermakite | | | 5 -6. | | | | |
Ferriwinchite | | | | 5 -6. | | | | |
Fibrolite | | | | | | | 7,5 | | |
Fluorapatite | | | | 5 | | | | |
Fluorbritholite | | | | 5 | | | | |
Fluorite | | | | 4 | | | | | |
Fluorite-calcite | | 3,5-4 | | | | | | |
Fluorite-Calcite-Willemite | 3,5-5 | | | | | | |
Fluoro Potassic Magnesio Arfvedsonite | | 5.5 – 6 | | | | |
Fossilized Horn Coral | | | | 6,5-7 | | | |
Friedelite | | | | 4.5 – 5 | | | | | |
Gadolinite | | | | | | 6,5-7 | | | |
Gahnite | | | | | | | 7.5 – 8 | | |
Galena | | 2,5 | | | | | | | |
Garnet: Almandine | | | | | | 7,5 | | |
garnet: Demantoid | | | | | | 7 – 7.5 | | |
garnet: Grossular | | | | | | 7,25 | | |
Garnet: Hessonite | | | | | | 7,25 | | |
garnet: Hydogrossular | | | | 6.5 – 7.5 | | | |
Garnet: Mali | | | | | | | | |
garnet: Melanite | | | | | 6.5 – 7 | | | |
Garnet: Purple | | | | | | 7 | | |
Garnet: Pyrope | | | | | | 7,25 | | |
Garnet: Rhodolite | | | | | | 7,25 | | |
Garnet: Spessertite | | | | | | 7,25 | | |
Garnet: leueo | ? | | | | | | | | |
Garnet: Topazolite | | | | | 6.5 – 7 | | | |
Garnet: Tsavorite | | | | | | 7 | | |
Garnet: Uvarovite | | | | | | 7,5 | | |
Granite | | | | | 5 | | | | |
Gaspeite | | | | 4,5-5 | | | | | |
Gersdorfite | | | | 5,5 | | | | |
Glaucophane | | | | 5 | | | | |
Goethite | | | | | 5,5 | | | | |
Goethite in Beryl | | | | | | | 8 | |
Gold | | 2,5 | | | | | | | |
Gold silver telluride | | | | 5,5 | | | | |
Goosecreekite | | | 4 | | | | | |
Grandidierite | | | | | | 7-7,5 | | |
Gyrolite | | | 3 | | | | | | |
Hackmanite two pics | | | | 5,5-6 | | | | |
Hambergite | | | | | | 7,5 | | |
Hematite | | | | | 5 | | | | |
Hematite in Iolite | | | | | | 7-7,5 | | |
Hemimorphite | | | 4,5-5 | | | | | |
Herderite | | | | | 5,5 | | | | |
Heterosite | | | | 4-4,5 | | | | | |
Hexagonite | | | | 5 | | | | |
Himalayan | | | | | | | | |
Holmquisite | | | | 5,5 | | | | |
Howlite | | | 3,5 | | | | | | |
Huanghoite | | | 4,5 | | | | | |
Hyalite | | | | | | 6 | | | |
Hydrozincite | 2-2,5 | | | | | | | |
Ikranite | | | | | 5 | | | | |
Ilvaite | | | | | 5,5-6 | | | | |
Imperial Topaz | | | | | | | 8 | |
Indialite | | | | | | | 7-7,5 | | |
Iolite | | | | | | | 7-7,5 | | |
Jasper | | | | | | | 7 | | |
Picture Jasper | | | | | | 6,5-7 | | |
Jet | | 2,5-4 | | | | | | | |
Johannsenite | | | | | 6 | | | |
Kakortkite | | | | | 5,5-7 | | | | |
Kammererite | 2-2,5 | | | | | | | |
Kornerupine | | | | | 6,5-7 | | | |
Kryzhanovskite | | 3,5-4 | | | | | | |
Kunzite | | | | | | | 7-7,5 | | |
Kurchatovite | | | 4,5 | | | | | |
Kutnahorite | | 3,5-4 | | | | | | |
Lapis & Pyrite | | | 4,5-5 | | | | | |
Larimar | | | | 4,5-5 | | | | | |
Lazulite | | | | | 5,5-6 | | | | |
Lead | 1,5 | | | | | | | | |
Leucite | | | | | 5,5-6 | | | | |
Liddicoatite | | | | | | 7 | | |
Lizardite | 2,5 | | | | | | | | |
Llanite | | | | | | 6-6,5 | | | |
Londonite | | | | | | | | 8 | |
Lybian Desert Tektite | | | | | 6,5-7 | | | |
Magnesioastrophyllite | 3 | | | | | | |
Magnesiochromite | | | | 5,5 | | | | |
Magnesio-ferri-fluoro-hornblende | | | 5,6 | | | | |
Magnetoplumbite | | | | | 6 | | | |
Malachite | | | 3,5-4 | | | | | | |
Manganoan fluorapatite | | | 5 | | | | |
Manganotantalite | | | | 5,5-6 | | | | |
Meierite Gillespite | | | | 5 | | | | |
Mexican Opal | | | | | 6 | | | |
Mimetite | | | 3,5-4 | | | | | | |
Mohawkite | | 3,5 | | | | | | |
Moldavite | | | | | 5,5-6 | | | | |
Monazite | | | | | 5-5,5 | | | | |
Mooreite | | | 3 – 3.5 | | | | | | |
Mottramite | | 3,5-4 | | | | | | |
Muonionalusta Meteorite | | | 5,5 | | | | |
Muscovite | | 2-2,5 | | | | | | | |
Nephrite | | | | | | 6-6,5 | | | |
Nickel | | 2,6 | | | | | | | |
Nickeline | | | | | 5-5,5 | | | | |
Norbergite diopside | | | | | 6-6,5 | | | |
Normandite | | | | 5 | | | | |
Oligoclase | | | | | 6 | | | |
Olmite | | | | | 5-5,5 | | | | |
Omphacite | | | | 5 | | | | |
Orpiment | 1,5-2 | | | | | | | | |
Orthoclase | | | | 6 | | | | |
Owyhee Blue Opal | | | | | 6 | | | |
Pallasite Peridot Meteorite | | | | 6,5-7 | | | |
Paraiba Tourmaline | | | | | | 7 | | |
Paraiba Blue Opal | | | | | 6 | | | |
Pargasite | | | | | 5 | | | | |
Priceite | | | 3-3,5 | | | | | | |
Prismatine | | | | | 6,5-7 | | | |
Prosopite-thomsenolite | | 4 | | | | | |
Prehnite | | | | | | 6-6,5 | | | |
Petalite | | | | | | 6-6,5 | | | |
Pietersite | | | | | | 6,5-7 | | | |
Pezzottaite | | | | | | 7,5-8 | | |
Phenakite | | | | | | | 7,5-8 | | |
Phosphosiderite | | 3,5-4 | | | | | | |
Piemontite | | | | | 6-6,5 | | | |
Pietersite | | | | | | | | | |
Plagionite | | 2,5-3 | | | | | | | |
Platinum | | | 3,5 | | | | | | |
Pollucite | | | | | | 6,5 | | | |
Potassic-Ferro-Chloro sadanagaite | | | 6 | | | |
Powellite | | | | | 5 | | | | |
Prenite ???? | | | | | | | | |
Pumpellyite-osumilite | | | 5 | | | | |
Pyrite | | | | | | 6-6,5 | | | |
Pyromophite | | 3,5-4 | | | | | | |
Quartz Amethyst | | | | | | 7 | | |
Quartz Amethyst with Chisobalite | | | | 7 | | |
Quartz Amethysts with+ Cacoxenite | | | | 7 | | |
Quartz Cats eye | | | | | | 7 | | |
Quartz Chalcedony | | | | | | 7 | | |
Quartz Citrine | | | | | | 7 | | |
Quartz Citrine with Cacoxenite | | | | | 7 | | |
Quartz Cornellian | | | | | | 7 | | |
Quartz Onyx | | | | | | 7 | | |
Quartz Sardonyx | | | | | | 7 | | |
Quartz Tger eye (Crocidolite | | | | | 7 | | |
Quartz with Actinolite | | | | | 7 | | |
Quartz with Almandine Garnet | | | | | 7 | | |
Quartz with Amphibole | | | | | 7 | | |
Quartz with Anatase | | | | | | 7 | | |
Quartz with Anhydrite | | | | | 7 | | |
Quartz with Ankerite | | | | | | 7 | | |
Quartz with Bi Color Tourmaline | | | | | 7 | | |
Quartz with Bismuthinite | | | | | 7 | | |
Quartz with Black Tourmaline | | | | | 7 | | |
Quartz with Blue Dumortierite | | | | | 7 | | |
Quartz with Blue Tourmaline | | | | | 7 | | |
Quartz with Brookite | | | | | | 7 | | |
Quartz with Calcite | | | | | | 7 | | |
Quartz with Carbon | | | | | | 7 | | |
Quartz with Childrenite | | | | | 7 | | |
Quartz with Chlorite | | | | | | 7 | | |
Quartz with Cristobalite | | | | | 7 | | |
Quartz with Diopside | | | | | | 7 | | |
Quartz with Dumortierite | | | | | 7 | | |
Quartz with Epidot | | | | | | 7 | | |
Quartz with Fluorite | | | | | | 7 | | |
Quartz with Geen Zoisite | | | | | 7 | | |
Quartz with Gilalite | | | | | | 7 | | |
Quartz with Green Tourmaline | | | | | 7 | | |
Quartz with Hedenbergite | | | | | 7 | | |
Quartz with Helvite | | | | | | 7 | | |
Quartz with Hematite | | | | | 7 | | |
Quartz with Hematite + Rutil | | | | | 7 | | |
Quartz with Hematoid | | | | | 7 | | |
Quartz with Hessonite Garnet | | | | | 7 | | |
Quartz with Hollandite | | | | | 7 | | |
Quartz with Jamesonite | | | | | 7 | | |
Quartz with Lazulite | | | | | | 7 | | |
Quartz with Lepidochrosite | | | | | 7 | | |
Quartz with Limonite | | | | | | 7 | | |
Quartz with Lizardite | | | | | | 7 | | |
Quartz with Moss Agate | | | | | 7 | | |
Quartz with Petroleum | | | | | 7 | | |
Quartz with Piemontite | | | | | 7 | | |
Quartz with Pyrite | | | | | | 7 | | |
Quartz with Reibeckite | | | | | 7 | | |
Quartz with Ripidolite | | | | | | 7 | | |
Quartz with Rutil | | | | | | 7 | | |
Rhodocrosite | | 3,5-4 | | | | | | |
Rhodonite | | | | | 5,5.6 | | | | |
Rinkite-ferrokentbrooksite | | | 5 | | | | |
Robinsonite | 2,5-3 | | | | | | | |
Rosasite | | | | 4 | | | | | |
Rosolite | | | | | | | 7 | | |
Ruby | | | | | | | | | 9 |
Ruby in Zoisite | | | | | | 7 | | |
Ruby with Fuchsite | | | | | | 7 | | |
Ruby with Kyanite | | | | | | 7 | | |
Ruby with Xenotime | | | | | | | | 9 |
Rutile | | | | | | 6 | | | |
Sapphirine | | | | | | 7,5 | | |
Sarcopside | | | 4 | | | | | |
Scapolite with wernite | | | 5,5-6 | | | | |
Schalenblende with sphalerite & Galena | 2,5-3,5 | | | | | | | |
Scheelite | | | | | 5 | | | | |
Scheuchzerite | 2,5 | | | | | | | |
Sellaite | | | | | 5-5,5 | | | | |
Serpentine | | 3,5 | | | | | | |
Sepentine with Stichtite | 2,5-3,5 | | | | | | | |
Shungite | | | 3,5-4 | | | | | | |
Sphalerite | | | 3,5-4 | | | | | | |
Siderite | | | 3.5 – 4.5 | | | | | | |
Smaragdite | | | | 5,5 | | | | |
Smithsonite | | | 4,5-5 | | | | | |
Sodalite | | | | | 5.5 – 6 | | | | |
Sperrylite | | | | | | 6 – 7.0 | | | |
Sphene | | | | | 5,5 | | | | |
Stibio tantalite | | | | 5,5 | | | | |
Stichtite | 1.5 – 2 | | | | | | | | |
Sulphur | 1,5-2,5 | | | | | | | | |
Sursassite | | 3 | | | | | | |
Taaffeite | | | | | | | | 8 – 8.5 | |
Takovite | | 2 | | | | | | | |
Talc | 1 | | | | | | | | |
Tantalite | | | | | | 6 | | | |
Tarbuttite | | | 3,5 | | | | | | |
Tellurium | | 2 – 2.5 | | | | | | | |
Tetrahedrite | | 3.5 – 4 | | | | | | |
Thalenite | | | 3.5 – 4 | | | | | | |
Thalenite(Y) Allanite | | | | | | | | |
Thomsonite | | | 5-5,5 | | | | | |
Thulite | | | | | | 6,5 | | | |
Tilleyite | | | | 4 | | | | | |
Tinzenite | | | | | | 6.50 – 7 | | | |
Topaz | | | | | | | | 8 | |
Topaz with Biotite | | | | | | | 8 | |
Topaz with Limonite | | | | | | | 8 | |
Tourmaline in Aquamarine | | | | | 7.5 | | |
Tephroite | | | | | | 6 | | | |
Tremolite | | | | 4 | | | | | |
Triphylite | | | | 4 | | | | | |
Triplite | | | | | 5-5,5 | | | | |
Tsumoite | | 2,5-3 | | | | | | | |
Tugtupite | | | | 4 | | | | | |
Unakite | | | | | | 6 | | | |
Ulmannite | | | | | 5,5 | | | | |
Unakite | | | | | | | | | |
Ulmannite | | | | | | | | | |
Uranopolycrase | | | | 5 | | | | |
Ussingite | | | | | | 6 | | | |
Uvarovite with Almandine Garnet | | | | | 7 | | |
Vanadinite | | 3,5-4 | | | | | | |
Vandenbrandeite | | | 4 | | | | | |
Valleriite | 1,5 | | | | | | | | |
Vanadinite | | | | | | | | |
Verdite | | | | | 5,5-6 | | | | |
Vayrynenite | | | | 5 | | | | |
Violane | | | | | | 6 | | | |
Vishnevite | | | | | 5 | | | | |
Vorobyevite | | | | | | | 8 | |
Wah Wah Red Emerald: Bixbite | | | | | | 8 | |
Wardite | | | | | 5 | | | | |
Welo Opal | | | | | 6 | | | |
Willemite | | | | | 5,5 | | | | |
Willemite with Calcite & Franklinite | 4-5,5 | | | | | |
Winchite | | | | | 5,5 | | | | |
Witherite | | | 3-3,5 | | | | | | |
Xenotime | | | | 4 | | | | | |
Xonotlite | | | | | | 6,5 | | | |
Yttrofluorite | | | 4-4,5 | | | | | |
Zincite | | | | 4 | | | | | |
Zircon | | | | | | | 7,5 | | |
Zoisite – piemontite | | | | | 6,5 | | | |
Zoisite | | | | | | 6,5 | | | |
Zunyite | | | | | | | 7 | | |
Zussmanite | | | | | 6 | | | |