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Appinite and Comendite Definition


Comendite and Appinite Definition


Definition

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

History
  
  

Origin
Unknown   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   
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, Opaque Rock   
Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Appinite and Comendite

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

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History of Appinite and Comendite

The history of Appinite 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.

Appinite and Comendite Origin and Discoverer

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

Etymology of Appinite and Comendite

Along with Appinite and Comendite definition, know more about the etymology of Appinite and Comendite. Etymology of Appinite and Comendite gives information about origin and formation of a particular rock. Know more about Formation of Appinite and Formation of Comendite. The etymology of Appinite is From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple while that of Comendite is From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Appinite and Comendite belong to Igneous Rocks. The sub-class, group and other categories of Appinite and Comendite are listed below.

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For Comendite,

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