Pyroxenite and Obsidian Definition

Definition of Pyroxenite and Obsidian

The general Pyroxenite and Obsidian definition can be stated as: Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. 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 Pyroxenite and Obsidian, get to know about Properties of Pyroxenite and Obsidian. Get to know more information about Pyroxenite and Obsidian origin and discoverer, etymology and class.

History of Pyroxenite and Obsidian

The history of Pyroxenite 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.

Pyroxenite and Obsidian Origin and Discoverer

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

Etymology of Pyroxenite and Obsidian

Along with Pyroxenite and Obsidian definition, know more about the etymology of Pyroxenite and Obsidian. Etymology of Pyroxenite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Pyroxenite and Formation of Obsidian. The etymology of Pyroxenite is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks while that of Obsidian is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pyroxenite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Pyroxenite and Obsidian are listed below.

For Pyroxenite,

• 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