Felsite and Pegmatite Definition

Definition of Felsite and Pegmatite

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

History of Felsite and Pegmatite

The history of Felsite 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.

Felsite and Pegmatite Origin and Discoverer

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

Etymology of Felsite and Pegmatite

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

For Felsite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• 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