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Appinite and Nephelinite Definition


Nephelinite 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   
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   

History
  
  

Origin
Unknown   
Brazil   

Discoverer
Unknown   
Unknown   

Etymology
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   
from French néphéline, from Greek nephelē   

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, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Appinite and Nephelinite

The general Appinite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Appinite and Nephelinite, get to know about Properties of Appinite and Nephelinite. Get to know more information about Appinite and Nephelinite origin and discoverer, etymology and class.

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History of Appinite and Nephelinite

The history of Appinite and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Appinite and Nephelinite

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

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For Nephelinite,

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