Trachyte and Anthracite Definition

Definition of Trachyte and Anthracite

The general Trachyte and Anthracite definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Trachyte and Anthracite, get to know about Properties of Trachyte and Anthracite. Get to know more information about Trachyte and Anthracite origin and discoverer, etymology and class.

History of Trachyte and Anthracite

The history of Trachyte and Anthracite 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.

Trachyte and Anthracite Origin and Discoverer

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

Etymology of Trachyte and Anthracite

Along with Trachyte and Anthracite definition, know more about the etymology of Trachyte and Anthracite. Etymology of Trachyte and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Trachyte and Formation of Anthracite. The etymology of Trachyte is From Greek trakhus rough’ or trakhutēs roughness while that of Anthracite is From Greek trakhus rough’ or trakhutēs roughness. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyte belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Trachyte and Anthracite are listed below.

For Trachyte,

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

For Anthracite,

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