Anthracite and Felsite Definition

Definition of Anthracite and Felsite

The general Anthracite and Felsite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Anthracite and Felsite, get to know about Properties of Anthracite and Felsite. Get to know more information about Anthracite and Felsite origin and discoverer, etymology and class.

History of Anthracite and Felsite

The history of Anthracite 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.

Anthracite and Felsite Origin and Discoverer

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

Etymology of Anthracite and Felsite

Along with Anthracite and Felsite definition, know more about the etymology of Anthracite and Felsite. Etymology of Anthracite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Felsite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Felsite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Felsite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Felsite are listed below.

For Anthracite,

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