Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
History
Origin
Italy
New Zealand
Discoverer
Unknown
Belsazar Hacquet
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From lime and stone in late 14th Century
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock