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Pumice and Anthracite Definition


Anthracite and Pumice Definition


Definition

Definition
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals   
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   

History
  
  

Origin
Spain   
Pennsylvania, U.S.   

Discoverer
Unknown   
Unknown   

Etymology
From Old French pomis, from a Latin dialect variant of pumex   
From Greek anthrakites, from anthrax, anthrak meaning coal   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pumice and Anthracite

The general Pumice and Anthracite definition can be stated as: Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Pumice and Anthracite, get to know about Properties of Pumice and Anthracite. Get to know more information about Pumice and Anthracite origin and discoverer, etymology and class.

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History of Pumice and Anthracite

The history of Pumice and Anthracite 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.

Pumice and Anthracite Origin and Discoverer

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

Etymology of Pumice and Anthracite

Along with Pumice and Anthracite definition, know more about the etymology of Pumice and Anthracite. Etymology of Pumice and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Pumice and Formation of Anthracite. The etymology of Pumice is From Old French pomis, from a Latin dialect variant of pumex while that of Anthracite is From Old French pomis, from a Latin dialect variant of pumex. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pumice belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Pumice and Anthracite are listed below.

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