Anthracite and Theralite Definition

Definition of Anthracite and Theralite

The general Anthracite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Anthracite and Theralite, get to know about Properties of Anthracite and Theralite. Get to know more information about Anthracite and Theralite origin and discoverer, etymology and class.

History of Anthracite and Theralite

The history of Anthracite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Anthracite and Theralite

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

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock