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Anthracite and Nephelinite Definition


Nephelinite and Anthracite Definition


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   

History
  
  

Origin
Pennsylvania, U.S.   
Brazil   

Discoverer
Unknown   
Unknown   

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal   
from French néphéline, from Greek nephelē   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Anthracite and Nephelinite

The general Anthracite and Nephelinite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Anthracite and Nephelinite, get to know about Properties of Anthracite and Nephelinite. Get to know more information about Anthracite and Nephelinite origin and discoverer, etymology and class.

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History of Anthracite and Nephelinite

The history of Anthracite 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.

Anthracite and Nephelinite Origin and Discoverer

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

Etymology of Anthracite and Nephelinite

Along with Anthracite and Nephelinite definition, know more about the etymology of Anthracite and Nephelinite. Etymology of Anthracite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Nephelinite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Nephelinite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Nephelinite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Nephelinite are listed below.

For Anthracite,

For Nephelinite,

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