Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
History
Origin
Italy
USA
Discoverer
Unknown
Usiglio
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From a sediment left after the evaporation
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock