{
  "water_ice": {
    "name": "Water Ice",
    "category": "frozen_liquid",
    "logistic_category": "resource",
    "density": 0.92,
    "stack_size": 100,
    "container_type": "ice_material",
    "melting_point_celsius": 0,
    "processing_note": "Melts to produce water",
    "ui": {
      "icon": "water_ice.png",
      "color": "#B0E0E6",
      "map_color": "#87CEEB",
      "particle_effect": "ice_crystals"
    }
  },
  "methane_ice": {
    "name": "Methane Ice",
    "category": "frozen_gas",
    "logistic_category": "resource",
    "density": 0.42,
    "stack_size": 50,
    "container_type": "volatile_ice",
    "melting_point_celsius": -182,
    "processing_note": "Sublimates to methane gas",
    "ui": {
      "icon": "methane_ice.png",
      "color": "#FFF8DC",
      "map_color": "#F0E68C",
      "particle_effect": "methane_vapor"
    }
  },
  "trapped_gases": {
    "name": "Trapped Gases",
    "category": "exotic_gas",
    "logistic_category": "fluid",
    "density": 0.002,
    "stack_size": 0,
    "container_type": "pressure_vessel",
    "processing_note": "Mixed atmospheric gases from space",
    "ui": {
      "icon": "trapped_gases.png",
      "color": "#E0FFFF",
      "map_color": "#F0F8FF",
      "particle_effect": "gas_bubbles"
    }
  }
}