Minecraft Earth:Redstone Ore

"This is where redstone comes from, provided you use the right pickaxe that is"

- In-game description

Redstone Ore was an block that would drop redstone upon breaking. It's item form was supposed to be unobtainable.

The Redstone Ore wasn't in the Journal.

Obtaining
Redstone Ore could be found inside adventure chests like other unused items such as the golden apple or the red nether brick wall.