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Comendite and Appinite Definition


Appinite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

History
  
  

Origin
Italy   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Comendite and Appinite

The general Comendite and Appinite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. On the other hand, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Comendite and Appinite, get to know about Properties of Comendite and Appinite. Get to know more information about Comendite and Appinite origin and discoverer, etymology and class.

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History of Comendite and Appinite

The history of Comendite and Appinite 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.

Comendite and Appinite Origin and Discoverer

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

Etymology of Comendite and Appinite

Along with Comendite and Appinite definition, know more about the etymology of Comendite and Appinite. Etymology of Comendite and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Comendite and Formation of Appinite. The etymology of Comendite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy while that of Appinite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Comendite and Appinite belong to Igneous Rocks. The sub-class, group and other categories of Comendite and Appinite are listed below.

For Comendite,

For Appinite,

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