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Nephelinite and Luxullianite Definition


Luxullianite and Nephelinite Definition


Definition

Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   
Luxullianite is a rare type of granite, known for presence of clusters of radially arranged acicular tourmaline crystals which are enclosed by phenocrysts of orthoclase and quartz in a matrix of quartz, tourmaline, alkali feldspar, brown mica.   

History
  
  

Origin
Brazil   
England   

Discoverer
Unknown   
Unknown   

Etymology
from French néphéline, from Greek nephelē   
From the village of Luxulyan in Cornwall, England, where this variety of granite is found   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Nephelinite and Luxullianite

The general Nephelinite and Luxullianite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Luxullianite is a rare type of granite, known for presence of clusters of radially arranged acicular tourmaline crystals which are enclosed by phenocrysts of orthoclase and quartz in a matrix of quartz, tourmaline, alkali feldspar, brown mica.. Along with definition of Nephelinite and Luxullianite, get to know about Properties of Nephelinite and Luxullianite. Get to know more information about Nephelinite and Luxullianite origin and discoverer, etymology and class.

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History of Nephelinite and Luxullianite

The history of Nephelinite and Luxullianite 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.

Nephelinite and Luxullianite Origin and Discoverer

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

Etymology of Nephelinite and Luxullianite

Along with Nephelinite and Luxullianite definition, know more about the etymology of Nephelinite and Luxullianite. Etymology of Nephelinite and Luxullianite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Luxullianite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Luxullianite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Luxullianite belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Luxullianite are listed below.

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