Home
Compare Rocks


Porphyry and Soapstone Definition


Soapstone 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   
It is a metamorphic magnesium rich rock because it is composed of the mineral talc   

History
  
  

Origin
Egypt   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From 17th century, because of its greasy feel and use like a soap   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Porphyry and Soapstone

The general Porphyry and Soapstone 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, It is a metamorphic magnesium rich rock because it is composed of the mineral talc. Along with definition of Porphyry and Soapstone, get to know about Properties of Porphyry and Soapstone. Get to know more information about Porphyry and Soapstone origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Porphyry and Soapstone

The history of Porphyry and Soapstone 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 Soapstone Origin and Discoverer

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

Etymology of Porphyry and Soapstone

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

For Porphyry,

For Soapstone,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks