Stone VS. Weight Multiplier

Which one is max heaviest object in the world?
How:
-Play, both crushes each Mine.
-Check, open edit and click 1 of these 2 Mines.
-look the threshold on stone and weight, on stone crush max the mine threshold.
-enjoy the difference!

Other experiment here:
-try other type of stones.
-Low the weight multiply slider to lowest and see.