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Luxullianite and Rapakivi Granite Definition


Rapakivi Granite and Luxullianite Definition


Definition

Definition
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.   
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase   

History
  
  

Origin
England   
Finland, Europe   

Discoverer
Unknown   
Jakob Sederholm   

Etymology
From the village of Luxulyan in Cornwall, England, where this variety of granite is found   
From Finnish Rapakivi which stands for crumbly rock   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard 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 Luxullianite and Rapakivi Granite

The general Luxullianite and Rapakivi Granite definition can be stated as: 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.. On the other hand, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Luxullianite and Rapakivi Granite, get to know about Properties of Luxullianite and Rapakivi Granite. Get to know more information about Luxullianite and Rapakivi Granite origin and discoverer, etymology and class.

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History of Luxullianite and Rapakivi Granite

The history of Luxullianite and Rapakivi Granite 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.

Luxullianite and Rapakivi Granite Origin and Discoverer

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

Etymology of Luxullianite and Rapakivi Granite

Along with Luxullianite and Rapakivi Granite definition, know more about the etymology of Luxullianite and Rapakivi Granite. Etymology of Luxullianite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Luxullianite and Formation of Rapakivi Granite. The etymology of Luxullianite is From the village of Luxulyan in Cornwall, England, where this variety of granite is found while that of Rapakivi Granite is From the village of Luxulyan in Cornwall, England, where this variety of granite is found. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Luxullianite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Luxullianite and Rapakivi Granite are listed below.

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