All Gemstones
Explore our comprehensive gemstone database. Search, filter, and discover.
Actinolite
Hardness: 5.5
Aegirine
Hardness: 6.0
Alexandrite
Hardness: 8.5
Cuprite
Hardness: 3.5
Analcime (Analcite)
Hardness: 5.0
Nifontovite
Hardness: 3.5
Cymophane
Hardness: 8.5
Anthophyllite
Hardness: 5.5
Onyx
Hardness: 6.5
Antigorite
Hardness: 5.0
Danburite
Hardness: 7.0
Phenakite
Hardness: 7.5
Bastnäsite
Hardness: 4.0
Dumortierite
Hardness: 7.0
Bertrandite
Hardness: 6.0
Faustite
Hardness: 4.5
Chondrodite
Hardness: 6.0
Pectolite
Hardness: 4.5
Fluor-buergerite
Hardness: 7.0
Bronzite
Hardness: 5.5
Goethite
Hardness: 5.0
Rutile
Hardness: 6.0
Sapphirine
Hardness: 7.5
Ferro-axinite (Axinite-(Fe))
Hardness: 6.5
Feldspar
Hardness: 6.0
Lazulite
Hardness: 5.5
Franklinite
Hardness: 6.0
Hiddenite
Hardness: 6.0
Scapolite
Hardness: 5.5
Schorl
Hardness: 7.0
Hypersthene
Hardness: 5.0
Seraphinite
Hardness: 0.0
Hureaulite
Hardness: 3.5
Moldavite
Hardness: 5.5
Hurlbutite
Hardness: 6.0
Agate Opal
Hardness: 5.5
Ametrine
Hardness: 7.0
Amblygonite
Hardness: 6.0
Andradite
Hardness: 6.5
Humite
Hardness: 6.0
Apophyllite Group
Hardness: 4.5
Aquamarine
Hardness: 7.5
Kunzite
Hardness: 6.0
Shortite
Hardness: 3.0
Binghamite
Hardness: 6.5
Simpsonite
Hardness: 7.0
Liddicoatite
Hardness: 7.5
Bowenite
Hardness: 5.0
Allanite
Hardness: 0.0
Zircon
Hardness: 7.5
Smithsonite
Hardness: 5.0
Jacobsite
Hardness: 5.5
Albite
Hardness: 6.0
Benitoite
Hardness: 6.0
Spessartine
Hardness: 7.0
Andalusite
Hardness: 7.5
Anatase
Hardness: 5.5
Andesine
Hardness: 6.0
Cubic Zirconia
Hardness: 8.5
Anyolite
Hardness: 6.0
Calcite Satin Spar
Hardness: 3.0
Triplite
Hardness: 5.0
Dallasite
Hardness: 6.5
Aragonite
Hardness: 3.5
Astrophyllite
Hardness: 3.0
Viridine
Hardness: 7.0
Beryl
Hardness: 7.5
Carletonite
Hardness: 4.0
Boleite
Hardness: 3.0
Bloodstone (Heliotrope)
Hardness: 6.5
Boracite
Hardness: 7.0
Bustamite
Hardness: 5.5
Maw Sit Sit
Hardness: 6.0
Brookite
Hardness: 5.5
Chabazite
Hardness: 4.5
Ceylonite
Hardness: 7.5
Charoite
Hardness: 5.0
Melanite
Hardness: 6.5
Fluorapatite
Hardness: 5.0
Chrome Pyrope
Hardness: 7.0
Fluor-uvite-Uvite Series
Hardness: 7.5
Carnelian
Hardness: 6.5
Gedrite
Hardness: 5.5
Creedite
Hardness: 4.5
Cyprine (of Berzelius)
Hardness: 6.0
Microlite
Hardness: 5.0
Dolomite
Hardness: 3.5
Ekanite
Hardness: 6.0
Mimetite
Hardness: 3.5
Eosphorite
Hardness: 5.0
Esperite
Hardness: 5.0
Sard
Hardness: 6.5
Obsidian
Hardness: 5.0
Fayalite
Hardness: 6.5
Fibrolite
Hardness: 6.0
Fire Opal
Hardness: 6.0
Painite
Hardness: 7.5
Gahnite
Hardness: 7.5
Tourmaline
Hardness: 7.0
Papagoite
Hardness: 5.0
Girasol
Hardness: 5.5
Omphacite
Hardness: 5.0
Nuummite
Hardness: 5.5
Hexagonite
Hardness: 5.0
Howlite
Hardness: 3.0
Sheen Obsidian
Hardness: 5.0
Pezzottaite
Hardness: 7.5
Hyalite
Hardness: 5.5
Pleonaste
Hardness: 8.0
Indicolite (Blue Tourmaline)
Hardness: 7.0
Powellite
Hardness: 3.5
Sillimanite
Hardness: 6.0
Jeremejevite
Hardness: 6.5
Kornerupine
Hardness: 6.5
Strontium Titanate
Hardness: 5.5
Purpurite
Hardness: 4.0
Lazurite
Hardness: 5.5
Magnesite
Hardness: 3.5
Legrandite
Hardness: 4.5
Willemite
Hardness: 5.5
Rose Quartz
Hardness: 7.0
Wulfenite
Hardness: 3.0
Malachite
Hardness: 3.5
Xenotime
Hardness: 4.0
Milarite
Hardness: 5.5
Zoisite
Hardness: 6.0
Manganaxinite (Axinite-(Mn))
Hardness: 6.5
Nepheline
Hardness: 5.0
Marialite
Hardness: 5.5
Pyrope
Hardness: 7.0
Rutilated Quartz
Hardness: 7.0
Chlorastrolite
Hardness: 5.0
Pyroxmangite
Hardness: 5.0
Scolecite
Hardness: 5.0
Milk Opal (Porcelain Opal)
Hardness: 5.5
Moonstone
Hardness: 6.0
Romanèchite
Hardness: 5.0
Morion
Hardness: 7.0
Sanidine
Hardness: 6.0
Nephrite
Hardness: 6.0
Opal
Hardness: 5.0
Shattuckite
Hardness: 3.5
Padparadscha
Hardness: 9.0
Paraíba Tourmaline (Cuprian Elbaite)
Hardness: 7.0
Parisite
Hardness: 4.5
Petrified Wood (Fossilized Wood)
Hardness: 6.5
Sodalite
Hardness: 5.0
Phosphosiderite
Hardness: 3.5
Sonolite
Hardness: 5.5
Pyrite
Hardness: 6.0
Spinel
Hardness: 8.0
Staurolite
Hardness: 7.0
Strontianite
Hardness: 3.5
Tanzanite
Hardness: 6.5
Pyrope-Spessartine
Hardness: 7.0
Rhodochrosite (Manganesespar)
Hardness: 4.0
Riesling Beryl
Hardness: 7.5
Thomsonite Subgroup
Hardness: 5.0
Thulite
Hardness: 6.0
Tinzenite
Hardness: 6.5
Sellaite
Hardness: 5.0
Watermelon Tourmaline
Hardness: 7.0
Tektite
Hardness: 5.5
Chiastolite
Hardness: 5.0
Clinozoisite
Hardness: 6.0
Clinohedrite
Hardness: 5.5
Corundum
Hardness: 9.0
Clinohumite
Hardness: 6.0
Axinite
Hardness: 6.5
Baddeleyite
Hardness: 6.5
Aventurine
Hardness: 7.0
Bytownite
Hardness: 6.0
Red Beryl (Bixbite)
Hardness: 7.5
Boulder Opal
Hardness: 5.0
Chrysoprase
Hardness: 6.5
Chrome-Diopside
Hardness: 5.0
Chrysoberyl
Hardness: 8.5
Iris Agate
Hardness: 6.5
Cordierite (Iolite)
Hardness: 7.0
Almandine
Hardness: 7.0
Anhydrite
Hardness: 3.5
Agate
Hardness: 6.5
Jasper
Hardness: 6.5
Lapis lazuli
Hardness: 5.5
Augite
Hardness: 5.5
Cristinite
Hardness: 6.5
Bikolite
Hardness: 5.5
Chalcopyrite
Hardness: 3.5
Diopside
Hardness: 5.0
Epidote
Hardness: 6.0
Sphalerite
Hardness: 3.5
Euclase
Hardness: 7.5
Gadolinium Gallium Garnet (GGG)
Hardness: 6.5
Gahnospinel
Hardness: 7.5
Sunstone (Aventurine feldspar)
Hardness: 6.0
Grossular
Hardness: 7.0
Hackmanite
Hardness: 5.5
Hematite
Hardness: 6.0
Hodgkinsonite
Hardness: 4.5
Hyacinth
Hardness: 6.5
Titanite (Sphene)
Hardness: 5.0
Jade
Hardness: 6.0
Larimar
Hardness: 5.0
Tremolite
Hardness: 5.0
Variscite
Hardness: 4.0
Water Opal (Jelly Opal)
Hardness: 5.5
White Opal
Hardness: 5.5
Elbaite
Hardness: 7.0
Enstatite
Hardness: 5.5
Foitite
Hardness: 7.0
Friedelite
Hardness: 4.0
Glass
Hardness: 4.0
Goldstone
Hardness: 6.0
Goshenite
Hardness: 7.5
Grandidierite
Hardness: 7.5
Herderite
Hardness: 5.0
Honey Opal
Hardness: 5.5
Hübnerite
Hardness: 4.0
Hydrogrossular
Hardness: 7.5
Matrix Opal
Hardness: 5.5
Magnetite
Hardness: 5.5
Schorlomite
Hardness: 7.0
Moss Agate
Hardness: 6.5
Poudretteite
Hardness: 5.0
Peridot (Olivine)
Hardness: 6.5
Quartz
Hardness: 7.0
Povondraite
Hardness: 7.0
Sugilite
Hardness: 5.5
Rinkite-(Ce)
Hardness: 5.0
Tavorite
Hardness: 0.0
Thaumasite
Hardness: 3.5
Tsavorite
Hardness: 7.0
Unakite
Hardness: 6.0
Wardite
Hardness: 4.5
Witherite
Hardness: 3.0
Zektzerite
Hardness: 6.0
Rubellite
Hardness: 7.0
Sogdianite
Hardness: 7.0
Smaragdite
Hardness: 5.5
Celestine
Hardness: 3.0
Wavellite
Hardness: 3.5
Precious Opal
Hardness: 5.0
Spodumene
Hardness: 6.0
Achroite
Hardness: 7.0
Beryllonite
Hardness: 5.5
Libyan Desert Glass
Hardness: 0.0
Citrine
Hardness: 7.0
Wax Opal
Hardness: 5.5
Almandine-Pyrope
Hardness: 7.5
Serendibite
Hardness: 6.5
Jadeite
Hardness: 6.5
Wernerite
Hardness: 5.0
Orthoclase
Hardness: 6.0
Larvikite
Hardness: 6.0
Elaeolite
Hardness: 5.5
Adularia
Hardness: 6.0
Dioptase
Hardness: 5.0
Snowflake Obsidian
Hardness: 5.0
Fluorite
Hardness: 4.0
Moissanite
Hardness: 9.0
Ludlamite
Hardness: 3.0
Zincite
Hardness: 4.0
Siderite
Hardness: 3.5
Tugtupite
Hardness: 5.5
Vesuvianite (Idocrase)
Hardness: 6.5
Scorzalite
Hardness: 5.5
Kyanite (Cyprine)
Hardness: 4.0
Transvaal Jade
Hardness: 7.0
Black Opal
Hardness: 6.0
Pink Opal
Hardness: 6.0
Calcite
Hardness: 3.0
Azurite
Hardness: 3.5
Gaspéite
Hardness: 4.5
Afghanite
Hardness: 5.5
Violane
Hardness: 5.0
Odontolite
Hardness: 5.0
Verdite
Hardness: 3.0
Forsterite
Hardness: 6.5
Phosphophyllite
Hardness: 3.0
Baryte (Barite)
Hardness: 3.0
Amethyst
Hardness: 7.0
Umbalite
Hardness: 7.0
Turquoise
Hardness: 5.0
Heliodor (Golden Beryl)
Hardness: 7.5
Magnesio-axinite (Axinite-(Mg))
Hardness: 6.5
Scheelite
Hardness: 4.5
Augelite
Hardness: 4.5
Petalite
Hardness: 6.0
Adamite
Hardness: 3.5
Datolite
Hardness: 5.0
Norbergite
Hardness: 6.0
Taaffeite (Magnesiotaaffeite)
Hardness: 8.0
Morganite
Hardness: 7.5
Musgravite
Hardness: 0.0
Periclase
Hardness: 5.5
Holmquistite
Hardness: 5.0
Chalcedony
Hardness: 6.5
Chlorapatite
Hardness: 5.0
Californite
Hardness: 6.5
Chrome-Tourmaline
Hardness: 7.0
Anorthoclase
Hardness: 6.0
Blue Beryl (Maxixe)
Hardness: 7.5
Crystal Opal
Hardness: 5.5
Topaz
Hardness: 8.0
Cobaltite
Hardness: 5.5
Hemimorphite
Hardness: 5.0
Prehnite
Hardness: 6.0
Amazonite
Hardness: 6.0
Brazilianite
Hardness: 5.5
Fire Agate
Hardness: 6.5
Childrenite
Hardness: 4.5
Dravite
Hardness: 7.0
Colemanite
Hardness: 4.5
Eudialyte
Hardness: 5.0
Hibonite
Hardness: 7.5
Natrolite
Hardness: 5.0
Microcline
Hardness: 6.0
Rock Crystal
Hardness: 7.0
Sinhalite
Hardness: 6.0
Tiger's Eye
Hardness: 6.5
Anglesite
Hardness: 3.0
Verdelite
Hardness: 7.0
Apatite
Hardness: 5.0
Common Opal
Hardness: 5.5
Cerussite
Hardness: 3.0
Falcon's Eye
Hardness: 7.0
Labradorite
Hardness: 6.0
Neptunite
Hardness: 5.0
Rhodonite
Hardness: 5.5
Tantalite
Hardness: 6.0
Pargasite
Hardness: 5.0
Hydrophane
Hardness: 5.5
Imperial Topaz (A variety of topaz of orange, pinkish colours.)
Hardness: 8.0
Smoky Quartz
Hardness: 7.0
Prasiolite
Hardness: 7.0
Harlequin Opal
Hardness: 5.5
Cassiterite
Hardness: 6.0
Moss Opal
Hardness: 5.5
Marcasite
Hardness: 6.0
Pyromorphite
Hardness: 3.5
Manganotantalite
Hardness: 5.5
Narsarsukite
Hardness: 6.0
Sarcopside
Hardness: 4.0
Blue John
Hardness: 4.0
Catapleiite
Hardness: 5.0
Rossmanite
Hardness: 7.0
Chrome-Chalcedony
Hardness: 6.5
Sardonyx
Hardness: 6.5
Oligoclase
Hardness: 6.0
Anorthite
Hardness: 6.0
Uvarovite
Hardness: 7.5
Nosean
Hardness: 5.5
Haüyne
Hardness: 5.5
Prase
Hardness: 7.0
Cancrinite
Hardness: 5.0
Leucite
Hardness: 5.5
Meionite
Hardness: 5.0
Xonotlite
Hardness: 6.0
Montebrasite
Hardness: 5.5
Pollucite
Hardness: 6.5
Rhodizite
Hardness: 8.0
Stibiotantalite
Hardness: 5.5
Serandite
Hardness: 5.0
Topazolite
Hardness: 6.5
Prase Opal
Hardness: 5.0
Chrome-Tremolite
Hardness: 5.0
Azurmalachite
Hardness: 3.5
Garnet Group
Hardness: 6.5
Hibschite
Hardness: 6.0
Williamsite
Hardness: 4.0
Starlite
Hardness: 6.5
Moroxite
Hardness: 5.0
Wood Opal
Hardness: 5.5
Hardystonite
Hardness: 3.0
Diaspore
Hardness: 6.5
Monazite
Hardness: 5.0
Rhodolite
Hardness: 7.0
Demantoid
Hardness: 6.5
Sussexite
Hardness: 3.0
Yttrium Aluminium Garnet
Hardness: 8.0
Johachidolite
Hardness: 7.5
Hercynite
Hardness: 7.5
Londonite
Hardness: 8.0
Whitlockite
Hardness: 5.0
Pumpellyite Subgroup
Hardness: 5.0
Hessonite
Hardness: 7.0
Mohawkite
Hardness: 3.0