modded7/overrides/config/gregtech/worldgen/vein/moon/quartz_vein.json

{
  "weight": 40,
  "density": 0.6,
  "max_height": 80,
  "min_height": 40,
  "dimension_filter": [
    "dimension_id:100"
  ],
  "generator": {
    "type": "ellipsoid",
    "radius": [14, 17]
  },
  "filler": {
    "type": "simple",
    "value": {
      "type": "weight_random",
      "values": [
        {
          "weight": 20,
          "value": "ore_dict:oreQuartzBlack"
        },
        {
          "weight": 20,
          "value": "block:gregtech:ore_nether_quartz_0"
        },
		{
          "weight": 30,
          "value": "ore:certus_quartz"
        },
		{
          "weight": 30,
          "value": "block:libvulpes:ore0"
        }
      ]
    }
  }
}