Amphibolite and Anthracite Definition

Definition of Amphibolite and Anthracite

The general Amphibolite and Anthracite definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Amphibolite and Anthracite, get to know about Properties of Amphibolite and Anthracite. Get to know more information about Amphibolite and Anthracite origin and discoverer, etymology and class.

History of Amphibolite and Anthracite

The history of Amphibolite and Anthracite 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.

Amphibolite and Anthracite Origin and Discoverer

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

Etymology of Amphibolite and Anthracite

Along with Amphibolite and Anthracite definition, know more about the etymology of Amphibolite and Anthracite. Etymology of Amphibolite and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Anthracite. The etymology of Amphibolite is From Amphibole + -ite while that of Anthracite is From Amphibole + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Amphibolite and Anthracite belong to Metamorphic Rocks. The sub-class, group and other categories of Amphibolite and Anthracite are listed below.

For Amphibolite,

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

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