Soapstone and Phonolite Definition

Definition of Soapstone and Phonolite

The general Soapstone and Phonolite definition can be stated as: It is a metamorphic magnesium rich rock because it is composed of the mineral talc. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Soapstone and Phonolite, get to know about Properties of Soapstone and Phonolite. Get to know more information about Soapstone and Phonolite origin and discoverer, etymology and class.

History of Soapstone and Phonolite

The history of Soapstone and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Soapstone and Phonolite

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

For Soapstone,

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

For Phonolite,

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