on_use = function(itemstack, user, pointed_thing)
          if not pointed_thing.under then
            return
          end

          local node = minetest.get_node(pointed_thing.under).name
          local tile = minetest.registered_nodes[node].tiles



          --do a translation from c++ mining particle source to lua
          --https://github.com/minetest/minetest/blob/master/src/client/particles.cpp#L612
          --[[
          local size = (math.random() % 8) / 64.0
            local visual_size = 10 * size
            --if (tile.scale)
            --  size /= tile.scale;
            local texsize = {x = size * 2.0,y = size * 2.0}
            local texpos = {}
            texpos.x = (math.random() % 64) / 64 - texsize.x
            texpos.y = (math.random() % 64) / 64 - texsize.y

          texsize = {x=texsize.x*1000,y=texsize.y*1000}
          ]]--

          local size = math.random(1,10)/10
          local texsizer = math.random(1,3)
          local texsize = {x=texsizer,y=texsizer}
          local texpos = {x=math.random(1,16-texsize.x)/64,y=math.random(1,16-texsize.y)/64}

          print(dump(texsize))
          print(dump(texpos))
          --filename1
          local texture = "[combine:"..texsize.x.."x"..texsize.y..":"..texpos.x..","..texpos.y.."="..tile[math.random(1,table.getn(tile))]

          local pos1 = pointed_thing.above
          minetest.add_particlespawner({
              amount = math.random(40,90),
              -- Number of particles spawned over the time period `time`.

              time = 0.1,
              -- Lifespan of spawner in seconds.
              -- If time is 0 spawner has infinite lifespan and spawns the `amount` on
              -- a per-second basis.

              minpos = pos1,
              maxpos = pos1,
              minvel = {x=-5, y=4, z=-5},
              maxvel = {x=5, y=7, z=5},
              minacc = {x=0, y=-10, z=0},
              maxacc = {x=0, y=-10, z=0},
              minexptime = 2,
              maxexptime = 4,
              minsize = 1,
              maxsize = 2,
              -- The particles' properties are random values between the min and max
              -- values.
              -- pos, velocity, acceleration, expirationtime, size

              collisiondetection = true,
              -- If true collide with `walkable` nodes and, depending on the
              -- `object_collision` field, objects too.

              collision_removal = false,
              -- If true particles are removed when they collide.
              -- Requires collisiondetection = true to have any effect.

              object_collision = true,
              -- If true particles collide with objects that are defined as
              -- `physical = true,` and `collide_with_objects = true,`.

              texture = texture,


              --animation = {Tile Animation definition},
              -- Optional, specifies how to animate the particles' texture
          })
        end,