Anthracite and Gritstone Definition

Definition of Anthracite and Gritstone

The general Anthracite and Gritstone 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, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Anthracite and Gritstone, get to know about Properties of Anthracite and Gritstone. Get to know more information about Anthracite and Gritstone origin and discoverer, etymology and class.

History of Anthracite and Gritstone

The history of Anthracite and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Anthracite and Gritstone

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

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