Phonolite and Comendite Definition

Definition of Phonolite and Comendite

The general Phonolite and Comendite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Along with definition of Phonolite and Comendite, get to know about Properties of Phonolite and Comendite. Get to know more information about Phonolite and Comendite origin and discoverer, etymology and class.

History of Phonolite and Comendite

The history of Phonolite and Comendite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Phonolite and Comendite Origin and Discoverer

Phonolite and Comendite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Phonolite and Comendite. In this section, you will know about Phonolite and Comendite Origin and Discoverer. Origin of Phonolite is Unknown whereas Origin of Comendite is Italy. It is interesting to know the name of Phonolite and Comendite discoverer. The discoverer of Phonolite and Comendite are Unknown.

Etymology of Phonolite and Comendite

Along with Phonolite and Comendite definition, know more about the etymology of Phonolite and Comendite. Etymology of Phonolite and Comendite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Comendite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Comendite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Comendite belong to Igneous Rocks. The sub-class, group and other categories of Phonolite and Comendite are listed below.

For Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Comendite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Medium grained rock and Opaque rock