Nephelinite and Comendite Definition

Definition of Nephelinite and Comendite

The general Nephelinite and Comendite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Along with definition of Nephelinite and Comendite, get to know about Properties of Nephelinite and Comendite. Get to know more information about Nephelinite and Comendite origin and discoverer, etymology and class.

History of Nephelinite and Comendite

The history of Nephelinite 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.

Nephelinite and Comendite Origin and Discoverer

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

Etymology of Nephelinite and Comendite

Along with Nephelinite and Comendite definition, know more about the etymology of Nephelinite and Comendite. Etymology of Nephelinite and Comendite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Comendite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Comendite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Comendite belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Comendite are listed below.

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• 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