The Lord of the Rings Minecraft Mod Wiki

Many jewels the Noldor gave them, opals and diamonds and pale crystals, which they strewed upon the shores and scattered in the pools; marvellous were the beaches of Elendë in those days.

–Of Eldamar and the Princes of the Eldalië, The Silmarillion

Opals are multi colored gemstones. They are round and are bluish in color, with streaks of pink, yellow and green.


Opal ore.

Opal can be found in its ore form underground. It can also be acquired through trading.

As with many other materials, you can make an opal block with nine pieces of opal in a crafting table.

Opal Block.png


  • Opal has a Mohs hardness of 5.5-6.
  • Australia has chosen opal to be its national gemstone due to its common occurrence there.
  • Opal can be a range of colors including blue, green, black, red, orange, etc. but white and green are the easiest to find.
  • Elves have varied preferences in gems, but all Elven traders love buying Opal.


Ores of Middle-earth

Vanilla: Coal • Gold • Iron
Common: CopperNitreSaltSilverSulfurTin
Gems: AmberAmethystDiamondEmeraldOpalRubySapphireTopaz
Biome-specific: DurnorEdhelvirGlowstoneGulduril
Lapis LazuliMithrilMorgul IronRemains