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Syenite and Comendite Definition


Comendite and Syenite Definition


Definition

Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals   
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   

History
  
  

Origin
Unknown   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene   
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Syenite and Comendite

The general Syenite and Comendite 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, Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Along with definition of Syenite and Comendite, get to know about Properties of Syenite and Comendite. Get to know more information about Syenite and Comendite origin and discoverer, etymology and class.

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History of Syenite and Comendite

The history of Syenite 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.

Syenite and Comendite Origin and Discoverer

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

Etymology of Syenite and Comendite

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

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