Anthracite and Diorite Definition

Definition of Anthracite and Diorite

The general Anthracite and Diorite 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, Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. Along with definition of Anthracite and Diorite, get to know about Properties of Anthracite and Diorite. Get to know more information about Anthracite and Diorite origin and discoverer, etymology and class.

History of Anthracite and Diorite

The history of Anthracite and Diorite 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 Diorite Origin and Discoverer

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

Etymology of Anthracite and Diorite

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

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