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Dunite
Dunite

Essexite 
Essexite 



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Dunite and Essexite  Definition

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1 Definition
1.1 Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
1.2 History
1.2.1 Origin
New Zealand
USA
1.2.2 Discoverer
Ferdinand von Hochstetter
Unknown
1.3 Etymology
From the name of Dun Mountain, New Zealand, + -ite1
From the locality in Essex County, Massachusetts,US
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Plutonic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Dunite and Essexite 

The general Dunite and Essexite  definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Dunite and Essexite , get to know about Properties of Dunite and Essexite . Get to know more information about Dunite and Essexite  origin and discoverer, etymology and class.

History of Dunite and Essexite 

The history of Dunite and Essexite  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 Essexite  Origin and Discoverer

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

Etymology of Dunite and Essexite 

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

For Dunite,

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

For Essexite ,

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