Charnockite and Obsidian Definition

Definition of Charnockite and Obsidian

The general Charnockite and Obsidian definition can be stated as: Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. On the other hand, Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Along with definition of Charnockite and Obsidian, get to know about Properties of Charnockite and Obsidian. Get to know more information about Charnockite and Obsidian origin and discoverer, etymology and class.

History of Charnockite and Obsidian

The history of Charnockite and Obsidian 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.

Charnockite and Obsidian Origin and Discoverer

Charnockite and Obsidian definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Charnockite and Obsidian. In this section, you will know about Charnockite and Obsidian Origin and Discoverer. Origin of Charnockite is Tamil Nadu, India whereas Origin of Obsidian is Ethiopia. It is interesting to know the name of Charnockite and Obsidian discoverer. The Discoverer of Charnockite is T. H. Holland and the discoverer of Obsidian is Obsius.

Etymology of Charnockite and Obsidian

Along with Charnockite and Obsidian definition, know more about the etymology of Charnockite and Obsidian. Etymology of Charnockite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Charnockite and Formation of Obsidian. The etymology of Charnockite is From Job Charnock, an administtrator of East India Company while that of Obsidian is From Job Charnock, an administtrator of East India Company. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Charnockite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Charnockite and Obsidian are listed below.

For Charnockite,

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

For Obsidian,

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