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Porphyry and Pumice Definition


Pumice and Porphyry Definition


Definition

Definition
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals   

History
  
  

Origin
Egypt   
Spain   

Discoverer
Unknown   
Unknown   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From Old French pomis, from a Latin dialect variant of pumex   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
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Definition of Porphyry and Pumice

The general Porphyry and Pumice definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. On the other hand, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Porphyry and Pumice, get to know about Properties of Porphyry and Pumice. Get to know more information about Porphyry and Pumice origin and discoverer, etymology and class.

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History of Porphyry and Pumice

The history of Porphyry and Pumice 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.

Porphyry and Pumice Origin and Discoverer

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

Etymology of Porphyry and Pumice

Along with Porphyry and Pumice definition, know more about the etymology of Porphyry and Pumice. Etymology of Porphyry and Pumice gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Pumice. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Pumice is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Pumice belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Pumice are listed below.

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