Soapstone and Porphyry Definition

Definition of Soapstone and Porphyry

The general Soapstone and Porphyry definition can be stated as: It is a metamorphic magnesium rich rock because it is composed of the mineral talc. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Soapstone and Porphyry, get to know about Properties of Soapstone and Porphyry. Get to know more information about Soapstone and Porphyry origin and discoverer, etymology and class.

History of Soapstone and Porphyry

The history of Soapstone and Porphyry 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.

Soapstone and Porphyry Origin and Discoverer

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

Etymology of Soapstone and Porphyry

Along with Soapstone and Porphyry definition, know more about the etymology of Soapstone and Porphyry. Etymology of Soapstone and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Soapstone and Formation of Porphyry. The etymology of Soapstone is From 17th century, because of its greasy feel and use like a soap while that of Porphyry is From 17th century, because of its greasy feel and use like a soap. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Soapstone belongs to Metamorphic Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Soapstone and Porphyry are listed below.

For Soapstone,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Porphyry,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock