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Rhomb Porphyry and Essexite  Definition


Essexite  and Rhomb Porphyry Definition


Definition

Definition
Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Latin term that means purple   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
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Definition of Rhomb Porphyry and Essexite 

The general Rhomb Porphyry and Essexite  definition can be stated as: Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. On the other hand, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Rhomb Porphyry and Essexite , get to know about Properties of Rhomb Porphyry and Essexite . Get to know more information about Rhomb Porphyry and Essexite  origin and discoverer, etymology and class.

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History of Rhomb Porphyry and Essexite 

The history of Rhomb Porphyry and Essexite  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.

Rhomb Porphyry and Essexite  Origin and Discoverer

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

Etymology of Rhomb Porphyry and Essexite 

Along with Rhomb Porphyry and Essexite  definition, know more about the etymology of Rhomb Porphyry and Essexite . Etymology of Rhomb Porphyry and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Rhomb Porphyry and Formation of Essexite . The etymology of Rhomb Porphyry is From Latin term that means purple while that of Essexite  is From Latin term that means purple. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhomb Porphyry and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Rhomb Porphyry and Essexite  are listed below.

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