Anthracite and Amphibolite Definition

Definition of Anthracite and Amphibolite

The general Anthracite and Amphibolite 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, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Anthracite and Amphibolite, get to know about Properties of Anthracite and Amphibolite. Get to know more information about Anthracite and Amphibolite origin and discoverer, etymology and class.

History of Anthracite and Amphibolite

The history of Anthracite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Anthracite and Amphibolite

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

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