Gemstone Hardness List

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