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Pegmatite and Teschenite Definition


Teschenite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent   

History
  
  

Origin
Unknown   
Scotland   

Discoverer
R. J. Hauy   
Unknown   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Pegmatite and Teschenite

The general Pegmatite and Teschenite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. Along with definition of Pegmatite and Teschenite, get to know about Properties of Pegmatite and Teschenite. Get to know more information about Pegmatite and Teschenite origin and discoverer, etymology and class.

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History of Pegmatite and Teschenite

The history of Pegmatite and Teschenite 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 Teschenite Origin and Discoverer

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

Etymology of Pegmatite and Teschenite

Along with Pegmatite and Teschenite definition, know more about the etymology of Pegmatite and Teschenite. Etymology of Pegmatite and Teschenite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Teschenite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Teschenite 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 and Teschenite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Teschenite are listed below.

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