This feature is available in the vanilla version of Minecraft.
It has its own article in the Minecraft Wiki.

Raw Iron Ore

Description A chunk of unprocessed iron. Can be smelted into an iron ingot.
Renewable No
Stackable Yes (64)

Raw iron ore is an item that can be obtained from mining and the trommel. It can be smelted in a furnace for an iron ingot.

Obtaining Edit

Mining Edit

Raw iron ore can be obtained by mining iron ore with a stone pickaxe or higher. Mining with a lower tier will drop nothing.

Trommeling Edit

Block Amount Chance
Dirt 1-2 0.6%
Gravel 2-3 7.9%
Rich Scorched Dirt 1-5 24.2%
Soul Sand 1-4 9.0%
Grass 1-2 0.6%
Retro Grass 1-2 0.6%

Usage Edit

Smelting ingredient Edit

NameIngredientsCrafting recipe
Iron IngotRaw Iron Ore
 
 

Data values Edit

Name Type Namespaced ID Numeric ID
Raw Iron Ore Item item.ore.raw.iron 16511:0

History Edit

History
Minecraft Beta 1.7.6
Snapshot 21w34a
  Added the texture for iron nuggets.
Snapshot 21w36b
  Changed the texture for iron nuggets, now iron fragments.
Prerelease 1
  Added iron nuggets.
Iron nuggets are used to craft iron ingots.
Better than Adventure! 1.7.7.0
Pre-1
  Removed iron nuggets in favor of raw iron ore.