Nirncrux

 is a reddish-hued material used to create Nirnhoned equipment which increases spell resistance. It is frequently mined by Iron Orcs in Craglorn. It is found in Upper Craglorn and is linked to the ancient Nedes who settled the region. It is known to have magical properties.

It is a crimson-coloured rock normally found in Upper Craglorn. It is frequently ground into a dust by the Iron Orc miners found in the north of the region.

Nirncrux Mines
In the far north of Craglorn, Iron Orcs frequently mine Nirncrux for its magical properties. The Orcs themselves are rarely seen mining, but use their troll slaves to do it for them.