on mine stone:
    if player's tool is a diamond pickaxe of fortune 3:
        chance of 3.0%:
            give 1 iron ore to the player
on mine of stone:
    if player's tool is a diamond pickaxe of fortune 2:
        chance of 1.5%:
            give 1 iron ore to the player

on mine of iron ore:
        cancel event
        set block to air
        send "&c* &aSurowce wypdaja tylko ze stone ;-)"