Pegmatite and Felsite Definition

Definition of Pegmatite and Felsite

The general Pegmatite and Felsite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Pegmatite and Felsite, get to know about Properties of Pegmatite and Felsite. Get to know more information about Pegmatite and Felsite origin and discoverer, etymology and class.

History of Pegmatite and Felsite

The history of Pegmatite and Felsite 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.

Pegmatite and Felsite Origin and Discoverer

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

Etymology of Pegmatite and Felsite

Along with Pegmatite and Felsite definition, know more about the etymology of Pegmatite and Felsite. Etymology of Pegmatite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Felsite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Felsite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Felsite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Felsite are listed below.

For Pegmatite,

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

For Felsite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock