Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
Diatomite is a fine-grained sedimentary rock which is formed from consolidated diatomaceous earth
History
Origin
Italy
Germany
Discoverer
Unknown
Unknown
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From diatom + -ite1
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
Fine Grained Rock, Opaque Rock