Anthracite and Websterite Definition

Definition of Anthracite and Websterite

The general Anthracite and Websterite 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, Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. Along with definition of Anthracite and Websterite, get to know about Properties of Anthracite and Websterite. Get to know more information about Anthracite and Websterite origin and discoverer, etymology and class.

History of Anthracite and Websterite

The history of Anthracite and Websterite 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 Websterite Origin and Discoverer

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

Etymology of Anthracite and Websterite

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

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