Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
History
Origin
Italy
Skye, Scotland
Discoverer
Unknown
Alfred Harker
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From mugear + -ite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Opaque Rock