{
  "_note": "Free static reference data from Birthdex. Attribution appreciated: https://birthdex.com",
  "updated": "2026-07-02",
  "months": [
    {
      "month": "january",
      "modern": "Garnet",
      "alternates": [
        "Rose Quartz"
      ],
      "color": "Deep red"
    },
    {
      "month": "february",
      "modern": "Amethyst",
      "alternates": [
        "Onyx"
      ],
      "color": "Violet purple"
    },
    {
      "month": "march",
      "modern": "Aquamarine",
      "alternates": [
        "Bloodstone"
      ],
      "color": "Sea blue-green"
    },
    {
      "month": "april",
      "modern": "Diamond",
      "alternates": [
        "White Sapphire",
        "Rock Crystal"
      ],
      "color": "Colourless"
    },
    {
      "month": "may",
      "modern": "Emerald",
      "alternates": [
        "Chrysoprase",
        "Agate"
      ],
      "color": "Rich green"
    },
    {
      "month": "june",
      "modern": "Pearl",
      "alternates": [
        "Alexandrite",
        "Moonstone"
      ],
      "color": "Creamy white"
    },
    {
      "month": "july",
      "modern": "Ruby",
      "alternates": [
        "Carnelian"
      ],
      "color": "Vivid red"
    },
    {
      "month": "august",
      "modern": "Peridot",
      "alternates": [
        "Spinel",
        "Sardonyx"
      ],
      "color": "Olive green"
    },
    {
      "month": "september",
      "modern": "Sapphire",
      "alternates": [
        "Lapis Lazuli"
      ],
      "color": "Royal blue"
    },
    {
      "month": "october",
      "modern": "Opal",
      "alternates": [
        "Tourmaline"
      ],
      "color": "Iridescent"
    },
    {
      "month": "november",
      "modern": "Topaz",
      "alternates": [
        "Citrine"
      ],
      "color": "Golden yellow"
    },
    {
      "month": "december",
      "modern": "Turquoise",
      "alternates": [
        "Tanzanite",
        "Zircon",
        "Blue Topaz"
      ],
      "color": "Sky blue"
    }
  ]
}