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Syenite and Essexite  Definition


Essexite  and Syenite Definition


Definition

Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
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Definition of Syenite and Essexite 

The general Syenite and Essexite  definition can be stated as: Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. 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 Syenite and Essexite , get to know about Properties of Syenite and Essexite . Get to know more information about Syenite and Essexite  origin and discoverer, etymology and class.

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History of Syenite and Essexite 

The history of Syenite 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.

Syenite and Essexite  Origin and Discoverer

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

Etymology of Syenite and Essexite 

Along with Syenite and Essexite  definition, know more about the etymology of Syenite and Essexite . Etymology of Syenite and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Syenite and Formation of Essexite . The etymology of Syenite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene while that of Essexite  is From French syénite, from Latin Syenites (lapis ) (stone) of Syene. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Syenite and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Syenite and Essexite  are listed below.

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