Anthracite and Scoria Definition

Definition of Anthracite and Scoria

The general Anthracite and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Anthracite and Scoria, get to know about Properties of Anthracite and Scoria. Get to know more information about Anthracite and Scoria origin and discoverer, etymology and class.

History of Anthracite and Scoria

The history of Anthracite and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Anthracite and Scoria

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

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