stone

on mine of stone:
    if player's tool is a pickaxe:
        chance of 15%:
            drop a diamond
        chance of 15%:
            drop a bookshelf
        chance of 17%:
            drop a 265
        chance of 25%:
            drop a obsidian
        chance of 9%:
            drop a emerald
        chance of 20%:
            drop a 266
        chance of 10%:
            drop a ender pearl
        chance of 5%:
            drop a gunpowder
        chance of 9%:
            drop 2 redstone
        chance of 25%:
            drop a coal
        add 15 xp to player
        stop