Teschenite and Obsidian Definition

Definition of Teschenite and Obsidian

The general Teschenite and Obsidian definition can be stated as: Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. 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 Teschenite and Obsidian, get to know about Properties of Teschenite and Obsidian. Get to know more information about Teschenite and Obsidian origin and discoverer, etymology and class.

History of Teschenite and Obsidian

The history of Teschenite 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.

Teschenite and Obsidian Origin and Discoverer

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

Etymology of Teschenite and Obsidian

Along with Teschenite and Obsidian definition, know more about the etymology of Teschenite and Obsidian. Etymology of Teschenite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Teschenite and Formation of Obsidian. The etymology of Teschenite is From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland while that of Obsidian is From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Teschenite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Teschenite and Obsidian are listed below.

For Teschenite,

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

For Obsidian,

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