Soapstone and Pegmatite Definition

Definition of Soapstone and Pegmatite

The general Soapstone and Pegmatite definition can be stated as: It is a metamorphic magnesium rich rock because it is composed of the mineral talc. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Soapstone and Pegmatite, get to know about Properties of Soapstone and Pegmatite. Get to know more information about Soapstone and Pegmatite origin and discoverer, etymology and class.

History of Soapstone and Pegmatite

The history of Soapstone and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Soapstone and Pegmatite

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

For Soapstone,

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

For Pegmatite,

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