Felsite and Essexite  Definition

Definition of Felsite and Essexite 

The general Felsite and Essexite  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, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Felsite and Essexite , get to know about Properties of Felsite and Essexite . Get to know more information about Felsite and Essexite  origin and discoverer, etymology and class.

History of Felsite and Essexite 

The history of Felsite and Essexite  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 Essexite  Origin and Discoverer

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

Etymology of Felsite and Essexite 

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

For Felsite,

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

For Essexite ,

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