Rough Block, Dark Stone
Exiled Messenger (Exile) 1. Furnishings, Abah's Landing, Hew's Bane, Alliance Gates, Cyrodiil, Blocks, Fort Amol, Eastmarch, Home Goods Furnisher, Homestead, Housing Editor Purchase Tab, Kozanset, Alik'r Desert, Mistral, Khenarthi's Roost, Orsinium, Wrothgar, Redfur Trading Post, Grahtwood, Rough, Standard, Stonetooth Fortress, Betnikh, Structures, Vendor 2
I was unable to find these all over Tamriel. I finally went to the vendors in Cyrodiil Sewers to find them.
Rohzika, the Home Goods Furnisher, is the NPC that sells this item in Abah’s Landing.
She stands slightly North of & between the Fighters Guild & “The Serpent & the Senche” Inn.