Anthracite and Lignite Definition

Definition of Anthracite and Lignite

The general Anthracite and Lignite 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, Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Along with definition of Anthracite and Lignite, get to know about Properties of Anthracite and Lignite. Get to know more information about Anthracite and Lignite origin and discoverer, etymology and class.

History of Anthracite and Lignite

The history of Anthracite and Lignite 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 Lignite Origin and Discoverer

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

Etymology of Anthracite and Lignite

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

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