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Anthracite and Foidolite Definition


Foidolite and Anthracite Definition


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%   

History
  
  

Origin
Pennsylvania, U.S.   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal   
From the mineral feldspathoid which is the main content of rock   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

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<< Summary

Definition of Anthracite and Foidolite

The general Anthracite and Foidolite 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, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Anthracite and Foidolite, get to know about Properties of Anthracite and Foidolite. Get to know more information about Anthracite and Foidolite origin and discoverer, etymology and class.

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History of Anthracite and Foidolite

The history of Anthracite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Anthracite and Foidolite

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

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