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Luxullianite and Chalk Definition


Chalk 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.   
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   

History
  
  

Origin
England   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From the village of Luxulyan in Cornwall, England, where this variety of granite is found   
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Luxullianite and Chalk

The general Luxullianite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Luxullianite and Chalk, get to know about Properties of Luxullianite and Chalk. Get to know more information about Luxullianite and Chalk origin and discoverer, etymology and class.

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History of Luxullianite and Chalk

The history of Luxullianite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Luxullianite and Chalk

Along with Luxullianite and Chalk definition, know more about the etymology of Luxullianite and Chalk. Etymology of Luxullianite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Luxullianite and Formation of Chalk. The etymology of Luxullianite is From the village of Luxulyan in Cornwall, England, where this variety of granite is found while that of Chalk 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 belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Luxullianite and Chalk are listed below.

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