Board Thread:Suggestions forum/@comment-26119768-20170814202524/@comment-27340559-20170821111948

High King Ithilion wrote: Black Marble should also be found, rarely, in the Ered Nimrais. Thus, the black-pillared Hall of the Kings of the Tower of Ecthelion.

Ithilion, Discussions Moderator (Auta i lómë) 14:39, August 15, 2017 (UTC) Quite honestly, I think an uncommon black marble should replace Mordor rock, with a slightly lighter, grey stone instead generating as the main block in Mordor.