Dunite and Nephelinite Definition

Definition of Dunite and Nephelinite

The general Dunite and Nephelinite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Dunite and Nephelinite, get to know about Properties of Dunite and Nephelinite. Get to know more information about Dunite and Nephelinite origin and discoverer, etymology and class.

History of Dunite and Nephelinite

The history of Dunite and Nephelinite 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.

Dunite and Nephelinite Origin and Discoverer

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

Etymology of Dunite and Nephelinite

Along with Dunite and Nephelinite definition, know more about the etymology of Dunite and Nephelinite. Etymology of Dunite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Nephelinite. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Nephelinite is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite and Nephelinite belong to Igneous Rocks. The sub-class, group and other categories of Dunite and Nephelinite are listed below.

For Dunite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock