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Coquina and Luxullianite Definition


Luxullianite and Coquina Definition


Definition

Definition
Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates   
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
European Foreland Basins   
England   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From the village of Luxulyan in Cornwall, England, where this variety of granite is found   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Coquina and Luxullianite

The general Coquina and Luxullianite definition can be stated as: Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates. 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 Coquina and Luxullianite, get to know about Properties of Coquina and Luxullianite. Get to know more information about Coquina and Luxullianite origin and discoverer, etymology and class.

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History of Coquina and Luxullianite

The history of Coquina 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.

Coquina and Luxullianite Origin and Discoverer

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

Etymology of Coquina and Luxullianite

Along with Coquina and Luxullianite definition, know more about the etymology of Coquina and Luxullianite. Etymology of Coquina and Luxullianite gives information about origin and formation of a particular rock. Know more about Formation of Coquina and Formation of Luxullianite. The etymology of Coquina is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century) while that of Luxullianite is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coquina belongs to Sedimentary Rocks while Luxullianite belongs to Igneous Rocks. The sub-class, group and other categories of Coquina and Luxullianite are listed below.

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