Felsite and Variolite Definition

Definition of Felsite and Variolite

The general Felsite and Variolite 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, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Felsite and Variolite, get to know about Properties of Felsite and Variolite. Get to know more information about Felsite and Variolite origin and discoverer, etymology and class.

History of Felsite and Variolite

The history of Felsite and Variolite 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 Variolite Origin and Discoverer

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

Etymology of Felsite and Variolite

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

For Felsite,

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

For Variolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Opaque rock