You mine it from redstone ore.
You can mine redstone with an Iron, Gold or Diamond pickaxe.
You have to mine redstone ore.
With an iron pickaxe or better.
Nothing
You need an iron or diamond pickaxe to mine redstone ore
To successfully mine a Redstone Ore block, you need an Iron Pickaxe or higher.
Yes you can but you need to mine it with an iron pickaxe
You need at least an Iron Pickaxe.
Redstone can be mined underground or found in caves. You need an iron pickaxe to mine it. It is not in the pocket edition.
In the old updates such as 0.7.0, you couldn't mine redstone, but now in the present you are able to mine redstone (0.8.1) it has improved over the last months, in pocket edition it can be used to craft powered rails and compasses. Happy mining!
Redstone blocks? You need an iron pickaxe.