Details on over 500 types of gem
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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:
| Jan | garnet | Jul | turquoise, onyx |
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| Feb | amethyst, hyacinth, pearl | Aug | sardonyx, carnelian, moonstone, topaz |
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| Mar | bloodstone, jasper | Sep | chrysolite |
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| Apr | diamond, sapphire | Oct | opal, aquamarine |
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| May | emerald, agate | Nov | topaz, pearl |
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| Jun | cat's eye, turquoise, agate | Dec | bloodstone, ruby |
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| Aquarius | turquoise, hawk's eye | Leo | rock crystal |
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| Pisces | amethyst, quartz | Virgo | citrine, agate |
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| Aries | jasper, carnelian | Libra | citrine, smoky quartz |
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| Taurus | carnelian, rose quartz | Scorpio | carnelian |
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| Gemini | citrine, tiger's eye | Saggittarius | sapphire, chalcedony |
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| Cancer | chrysoprase, aventurine | Capricorn | onyx, cat's eye |
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