{
  "id": "topaz",
  "name": "Topaz",
  "chemical_formula": "Al2SiO4(F,OH)2",
  "mohs_hardness": 8.0,
  "color": "Colorless, blue, yellow, or pink",
  "luster": "Vitreous",
  "url": "https://gratisapi.com/api/minerals/topaz"
}