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Ijolite and Pegmatite Definition


Pegmatite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   

History
  
  

Origin
Finland, Europe   
Unknown   

Discoverer
Unknown   
R. J. Hauy   

Etymology
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   
From Greek pegma, pegmat which means- thing joined together + -ite   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness 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 Ijolite and Pegmatite

The general Ijolite and Pegmatite definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Ijolite and Pegmatite, get to know about Properties of Ijolite and Pegmatite. Get to know more information about Ijolite and Pegmatite origin and discoverer, etymology and class.

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History of Ijolite and Pegmatite

The history of Ijolite and Pegmatite 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.

Ijolite and Pegmatite Origin and Discoverer

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

Etymology of Ijolite and Pegmatite

Along with Ijolite and Pegmatite definition, know more about the etymology of Ijolite and Pegmatite. Etymology of Ijolite and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Pegmatite. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Pegmatite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite and Pegmatite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Pegmatite are listed below.

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