Home
Compare Rocks


Pegmatite and Coal Definition


Coal and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds   

History
  
  

Origin
Unknown   
USA   

Discoverer
R. J. Hauy   
John Peter Salley   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pegmatite and Coal

The general Pegmatite and Coal definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Along with definition of Pegmatite and Coal, get to know about Properties of Pegmatite and Coal. Get to know more information about Pegmatite and Coal origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Pegmatite and Coal

The history of Pegmatite and Coal 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.

Pegmatite and Coal Origin and Discoverer

Pegmatite and Coal definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Coal. In this section, you will know about Pegmatite and Coal Origin and Discoverer. Origin of Pegmatite is Unknown whereas Origin of Coal is USA. It is interesting to know the name of Pegmatite and Coal discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Coal is John Peter Salley.

Etymology of Pegmatite and Coal

Along with Pegmatite and Coal definition, know more about the etymology of Pegmatite and Coal. Etymology of Pegmatite and Coal gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Coal. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Coal is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks. The sub-class, group and other categories of Pegmatite and Coal are listed below.

For Pegmatite,

For Coal,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks