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Rapakivi Granite and Luxullianite Definition


Luxullianite and Rapakivi Granite Definition


Definition

Definition
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase   
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
Finland, Europe   
England   

Discoverer
Jakob Sederholm   
Unknown   

Etymology
From Finnish Rapakivi which stands for crumbly rock   
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
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Rapakivi Granite and Luxullianite

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

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History of Rapakivi Granite and Luxullianite

The history of Rapakivi Granite 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.

Rapakivi Granite and Luxullianite Origin and Discoverer

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

Etymology of Rapakivi Granite and Luxullianite

Along with Rapakivi Granite and Luxullianite definition, know more about the etymology of Rapakivi Granite and Luxullianite. Etymology of Rapakivi Granite and Luxullianite gives information about origin and formation of a particular rock. Know more about Formation of Rapakivi Granite and Formation of Luxullianite. The etymology of Rapakivi Granite is From Finnish Rapakivi which stands for crumbly rock while that of Luxullianite is From Finnish Rapakivi which stands for crumbly rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rapakivi Granite and Luxullianite belong to Igneous Rocks. The sub-class, group and other categories of Rapakivi Granite and Luxullianite are listed below.

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