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Pegmatite and Soapstone Definition


Soapstone and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
It is a metamorphic magnesium rich rock because it is composed of the mineral talc   

History
  
  

Origin
Unknown   
USA   

Discoverer
R. J. Hauy   
Unknown   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From 17th century, because of its greasy feel and use like a soap   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pegmatite and Soapstone

The general Pegmatite and Soapstone definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, It is a metamorphic magnesium rich rock because it is composed of the mineral talc. Along with definition of Pegmatite and Soapstone, get to know about Properties of Pegmatite and Soapstone. Get to know more information about Pegmatite and Soapstone origin and discoverer, etymology and class.

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History of Pegmatite and Soapstone

The history of Pegmatite and Soapstone 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 Soapstone Origin and Discoverer

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

Etymology of Pegmatite and Soapstone

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

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