Anthracite and Nepheline Syenite Definition

Definition of Anthracite and Nepheline Syenite

The general Anthracite and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Anthracite and Nepheline Syenite, get to know about Properties of Anthracite and Nepheline Syenite. Get to know more information about Anthracite and Nepheline Syenite origin and discoverer, etymology and class.

History of Anthracite and Nepheline Syenite

The history of Anthracite and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Anthracite and Nepheline Syenite

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

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