You can find it in caves and you must dig it with pickaxe (not wooden or stone pickaxe)
Stone and coal=Wood/Gold or better Iron=Stone or better Redstone, Lapis Lazuli, Gold, Diamond, Emerald=Iron or better Obsidian=Diamond only
In Minecraft, you will need to use an iron pickax to mine the rubies in the game.
you can use a iron pickaxe to mine it as this can mine every ore in minecraft
For Vanilla Minecraft, you will need a stone pickaxe (or better) to mine iron ore.
iron pickaxe
Use a pickaxe
You need at least an Iron Pickaxe.
Maybe you're not using a pick to mine. You need to use a pick.
You can use an iron, gold, or pre-existing diamond pickaxe to mine diamond ore or diamond blocks
minecraft let you use cool weapons
You will have to use an iron pickaxe to mine diamonds.
an iron pickaxe will do.