{
  "id": 11405828,
  "title": "October birthstone: Colorful opal and tourmaline",
  "url": "https://urgent.news/2026/10/02/october-birthstone-colorful-opal-and-tourmaline",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-02T09:02:17.000Z",
  "source": {
    "name": "EarthSky",
    "slug": "earthsky",
    "url": "https://earthsky.org/human-world/october-birthstone-opal-tourmaline/"
  },
  "original_language": "en",
  "account": "Tourmaline is the alternative October birthstone to opal. This colorful gemstone comes in a wide range of hues, from vibrant greens and blues to vivid pinks and reds. Its name comes from the Tamil word \"turam,\" meaning colorful. Tourmaline forms in a variety of geological environments, such as granite pegmatites and metamorphic rocks. It is often found alongside opal and other gemstones.",
  "summary": "Take your pick: the October birthstone is either the striking iridescent opal or the many-colored tourmaline. Learn the lore of these pretty gemstones here. The post October birthstone: Colorful opal and tourmaline first appeared on EarthSky .",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}