Anthracite and Phonolite Definition

Definition of Anthracite and Phonolite

The general Anthracite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Anthracite and Phonolite, get to know about Properties of Anthracite and Phonolite. Get to know more information about Anthracite and Phonolite origin and discoverer, etymology and class.

History of Anthracite and Phonolite

The history of Anthracite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Anthracite and Phonolite

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

For Anthracite,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Phonolite,

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