Anthracite and Pegmatite Definition

Definition of Anthracite and Pegmatite

The general Anthracite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Anthracite and Pegmatite, get to know about Properties of Anthracite and Pegmatite. Get to know more information about Anthracite and Pegmatite origin and discoverer, etymology and class.

History of Anthracite and Pegmatite

The history of Anthracite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Anthracite and Pegmatite

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

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