Theralite and Obsidian Definition

Definition of Theralite and Obsidian

The general Theralite and Obsidian definition can be stated as: Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. 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 Theralite and Obsidian, get to know about Properties of Theralite and Obsidian. Get to know more information about Theralite and Obsidian origin and discoverer, etymology and class.

History of Theralite and Obsidian

The history of Theralite 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.

Theralite and Obsidian Origin and Discoverer

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

Etymology of Theralite and Obsidian

Along with Theralite and Obsidian definition, know more about the etymology of Theralite and Obsidian. Etymology of Theralite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Theralite and Formation of Obsidian. The etymology of Theralite is From Greek to pursue while that of Obsidian is From Greek to pursue. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Theralite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Theralite and Obsidian are listed below.

For Theralite,

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

For Obsidian,

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