28th Sep 2022

gemdat.org - the gemstone and gemology information website

Current statistics: 624 gem names. 526 gemstone data pages. 3,156 total locality items listed from 1,475 sites worldwide. 8,171 photos.




Details on over 500 types of gem




Incredible photos

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Gemdat News

    Birthstone lists

    For thousands of years people have associated gemstones with months of the year. Different cultures have different associations. Select below:
    JangarnetJulruby
    FebamethystAugperidot
    Maraquamarine, bloodstoneSepsapphire
    AprdiamondOctopal, tourmaline
    MayemeraldNovtopaz, citrine
    Junpearl, moonstone, alexandriteDecturquoise, zircon, tanzanite
    JangarnetJulruby
    FebamethystAugsardonyx, peridot
    Marbloodstone, aquamarineSepsapphire
    AprdiamondOctopal, tourmaline
    MayemeraldNovtopaz
    Junpearl, moonstoneDecturquoise, lapis lazuli
    JangarnetJulruby, carnelian
    FebamethystAugperidot, sardonyx
    Maraquamarine, bloodstoneSepsapphire, lapis lazuli
    Aprdiamond, rock crystalOctopal
    Mayemerald, chrysopraseNovtopaz, citrine
    Junpearl, moonstoneDectanzanite, turquoise
    JangarnetJulturquoise, onyx
    Febamethyst, hyacinth, pearlAugsardonyx, carnelian, moonstone, topaz
    Marbloodstone, jasperSepchrysolite
    Aprdiamond, sapphireOctopal, aquamarine
    Mayemerald, agateNovtopaz, pearl
    Juncat's eye, turquoise, agateDecbloodstone, ruby
    Jangarnet, hyacinthJulruby, sardonyx
    FebamethystAugalexandrite
    MarjasperSepchrysolite
    AprsapphireOctberyl
    MayemeraldNovtopaz
    Junagate, chalcedonyDecturquoise, chrysoprase
    JanhyacinthJulcarnelian
    FebamethystAugonyx
    MarheliotropeSepchrysolite
    AprsapphireOctaquamarine
    MayemeraldNovtopaz
    JunchalcedonyDecchrysoprase
    Janserpent stoneJulsapphire
    FebchandrakantaAugruby
    Margold, Siva-lingaSepzircon
    AprdiamondOctcoral
    MayemeraldNovcat's eye
    JunpearlDectopaz
    Aquariusturquoise, hawk's eyeLeorock crystal
    Piscesamethyst, quartzVirgocitrine, agate
    Ariesjasper, carnelianLibracitrine, smoky quartz
    Tauruscarnelian, rose quartzScorpiocarnelian
    Geminicitrine, tiger's eyeSaggittariussapphire, chalcedony
    Cancerchrysoprase, aventurineCapricornonyx, cat's eye
    AquariusgarnetLeoonyx
    PiscesamethystVirgocarnelian
    AriesbloodstoneLibraperidot
    TaurussapphireScorpioberyl
    GeminiagateSaggittariustopaz
    CanceremeraldCapricornruby

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    Copyright © Jolyon & Katya Ralph 1993-2022. Site Map. Locality, gem & photograph data are the copyright of the individuals who submitted them. For more information please contact the . Gemdat.org is an online information resource dedicated to providing free gemmological information to all.