{
  "id": "gypsum",
  "name": "Gypsum",
  "chemical_formula": "CaSO4·2H2O",
  "mohs_hardness": 2.0,
  "color": "Colorless, white, or grey",
  "luster": "Vitreous to silky",
  "url": "https://gratisapi.com/api/minerals/gypsum"
}