Felsite and Phyllite Definition

Definition of Felsite and Phyllite

The general Felsite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Felsite and Phyllite, get to know about Properties of Felsite and Phyllite. Get to know more information about Felsite and Phyllite origin and discoverer, etymology and class.

History of Felsite and Phyllite

The history of Felsite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Felsite and Phyllite

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

For Felsite,

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

For Phyllite,

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