This Elementium Ore farming guide will show you the best places for mining Elementium Ore.
I must also mention that Pyrite Deposits are rare spawns of Elementium Deposits in Uldum and Twilight Highlands.
Elementium Ore

Twilight Highlands
Twilight Highlands the best zone for farming Elementium Ore.

Uldum
Uldum is a great alternative if someone is already farming at Twilight Highlands.
