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Ijolite and Hornblendite Definition


Hornblendite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock   

History
  
  

Origin
Finland, Europe   
Unknown   

Discoverer
Unknown   
Unknown   

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 German, Horn horn + blende   

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, Medium Grained Rock, Opaque Rock   

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<< Summary

Definition of Ijolite and Hornblendite

The general Ijolite and Hornblendite 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, Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. Along with definition of Ijolite and Hornblendite, get to know about Properties of Ijolite and Hornblendite. Get to know more information about Ijolite and Hornblendite origin and discoverer, etymology and class.

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History of Ijolite and Hornblendite

The history of Ijolite and Hornblendite 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 Hornblendite Origin and Discoverer

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

Etymology of Ijolite and Hornblendite

Along with Ijolite and Hornblendite definition, know more about the etymology of Ijolite and Hornblendite. Etymology of Ijolite and Hornblendite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Hornblendite. 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 Hornblendite 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 Hornblendite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Hornblendite are listed below.

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