Anthracite and Pumice Definition

Definition of Anthracite and Pumice

The general Anthracite and Pumice 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, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Anthracite and Pumice, get to know about Properties of Anthracite and Pumice. Get to know more information about Anthracite and Pumice origin and discoverer, etymology and class.

History of Anthracite and Pumice

The history of Anthracite and Pumice 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 Pumice Origin and Discoverer

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

Etymology of Anthracite and Pumice

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

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