{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "minecraft:falling_dust_gravel_particle",
      "basic_render_parameters": {
        "material": "particles_blend",
        "texture": "textures/particle/particles"
      }
    },
    "components": {
      "minecraft:emitter_rate_instant": {
        "num_particles": 1
      },        
      "minecraft:emitter_lifetime_once": {
      },
      "minecraft:emitter_shape_point": {
      },
      "minecraft:particle_initial_speed": [ 0.0, 0.0, 0.0 ],
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": "1.44 / math.random(0.2, 1.0)"
      },
      "minecraft:particle_motion_dynamic": {
        "linear_acceleration": [ 0, -1.0, 0 ]
      },
      "minecraft:particle_motion_parametric": {
        "rotation": "variable.particle_random_1 * 360 + (variable.particle_age * 100 * (variable.particle_random_2 - 0.5))"
      },
      "minecraft:particle_appearance_billboard": {
        "size": [ "variable.particle_random_3 * 0.075 + 0.075", "variable.particle_random_3 * 0.075 + 0.075" ],
        "facing_camera_mode": "lookat_xyz",
        "uv": {
          "texture_width": 128,
          "texture_height": 128,
          "flipbook": {
            "base_UV": [ 56, 0 ],
            "size_UV": [ 8, 8 ],
            "step_UV": [ -8, 0 ],
            "frames_per_second": 8,
            "max_frame": 8,
            "stretch_to_lifetime": true,
            "loop": false
          }
        }
      },
      "minecraft:particle_appearance_tinting": {
        "color": [ 0.502, 0.486, 0.482, 1.0 ]
      },
      "minecraft:particle_appearance_lighting": {}
    }
  }
} 