What is tufa? History of Architecture
Tufa (some people call it "tuff") is a kind of limestone that is very common in Italy. Tufa is very soft when it is first cut from the ground, so it is easy to work with. It's not soft like butter, but it is easier to cut than harder stones like granite.Tufa is easier to work than travertine or marble.But tufa is a coarser stone, so you can't get it to look as smooth as travertine or ...
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