Obsidian and Peridotite Definition

Definition of Obsidian and Peridotite

The general Obsidian and Peridotite 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, Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. Along with definition of Obsidian and Peridotite, get to know about Properties of Obsidian and Peridotite. Get to know more information about Obsidian and Peridotite origin and discoverer, etymology and class.

History of Obsidian and Peridotite

The history of Obsidian and Peridotite 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 Peridotite Origin and Discoverer

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

Etymology of Obsidian and Peridotite

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

For Obsidian,

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

For Peridotite,

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