Obsidian and Gabbro Definition

Definition of Obsidian and Gabbro

The general Obsidian and Gabbro 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, Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Along with definition of Obsidian and Gabbro, get to know about Properties of Obsidian and Gabbro. Get to know more information about Obsidian and Gabbro origin and discoverer, etymology and class.

History of Obsidian and Gabbro

The history of Obsidian and Gabbro 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 Gabbro Origin and Discoverer

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

Etymology of Obsidian and Gabbro

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

For Obsidian,

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

For Gabbro,

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