Chalked Bricks using the cobble texture of the old minetest_game that where removed in 0.4.7. Its a nice looking stonebrick alternative good to bring a bit more colors in stonebrick houses.
Texture is made by c55 and licensed under CC BY-SA 3.0
Tuff and Rhyolitic Tuff are materials used in the Medival to build churches or houses of rich people.
Tuff, Tuff bricks and tuff ruble are now available in Darkage.