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Ijolite and Appinite Definition


Appinite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

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 the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Ijolite and Appinite

The general Ijolite and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Ijolite and Appinite, get to know about Properties of Ijolite and Appinite. Get to know more information about Ijolite and Appinite origin and discoverer, etymology and class.

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History of Ijolite and Appinite

The history of Ijolite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Ijolite and Appinite

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

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For Appinite,

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