Obsidian and Pyroxenite Definition

Definition of Obsidian and Pyroxenite

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

History of Obsidian and Pyroxenite

The history of Obsidian and Pyroxenite 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.

Obsidian and Pyroxenite Origin and Discoverer

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

Etymology of Obsidian and Pyroxenite

Along with Obsidian and Pyroxenite definition, know more about the etymology of Obsidian and Pyroxenite. Etymology of Obsidian and Pyroxenite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Pyroxenite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Pyroxenite is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian and Pyroxenite belong to Igneous Rocks. The sub-class, group and other categories of Obsidian and Pyroxenite are listed below.

For Obsidian,

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

For Pyroxenite,

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