Obsidian and Eclogite Definition

Definition of Obsidian and Eclogite

The general Obsidian and Eclogite 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, Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. Along with definition of Obsidian and Eclogite, get to know about Properties of Obsidian and Eclogite. Get to know more information about Obsidian and Eclogite origin and discoverer, etymology and class.

History of Obsidian and Eclogite

The history of Obsidian and Eclogite 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 Eclogite Origin and Discoverer

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

Etymology of Obsidian and Eclogite

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

For Obsidian,

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

For Eclogite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock