31st Jul 2014

gemdat.org - the gemstone and gemology information website - Public beta test

Current statistics: 593 gem names. 502 gemstone data pages. 3,042 total locality items listed from 1,438 sites worldwide. 6,140 photos.

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Details on over 500 types of gem




Incredible photos

Gemdat is a unique reference web site on gems and gemology with something for everyone from beginners to experts. Join our community and get involved!

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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
Copyright © Jolyon & Katya Ralph 1993-2014. 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.