{
   "format_version":"1.17.0",
   "minecraft:ore_feature":{
      "description":{
         "identifier":"true:potassium_nitrate_ore_feature"
      },
      "count":5,
      "replace_rules":[
         {
            "places_block":{
               "name":"true:potassium_nitrate_ore",
               "states":{
                  
               }
            },
            "may_replace":[
               {
                  "name":"minecraft:stone",
                  "states":{
                     "stone_type":"stone"
                  }
               },
               {
                  "name":"minecraft:stone",
                  "states":{
                     "stone_type":"andesite"
                  }
               },
               {
                  "name":"minecraft:stone",
                  "states":{
                     "stone_type":"granite"
                  }
               },
               {
                  "name":"minecraft:stone",
                  "states":{
                     "stone_type":"diorite"
                  }
               }
            ]
         }
      ]
   }
}