{
  "id": "smoky-quartz",
  "name": "Smoky Quartz",
  "color": "Brown-gray",
  "mohs_hardness": 7.0,
  "crystal_system": "Trigonal",
  "type": "Semi-precious",
  "url": "https://gratisapi.com/api/gemstones/smoky-quartz"
}