My friend and I are arguing about how many blocks a diamond pickaxe will be able to break without it breaking itself. Do you know how much?
Unenchanted Diamond Pickaxe has durability of 1562.
You can check the durability of a tool by simply pressing Fn-F3-H and hovering your cursor over the item in your inventory. THe number represented there will tell you how many blocks you can break with that tool.
Specifically, a diamond pickaxe can break one-thousand five-hundred sixty-two (1562) blocks.