Pantellerite and Obsidian Definition

Definition of Pantellerite and Obsidian

The general Pantellerite and Obsidian definition can be stated as: Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite. 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 Pantellerite and Obsidian, get to know about Properties of Pantellerite and Obsidian. Get to know more information about Pantellerite and Obsidian origin and discoverer, etymology and class.

History of Pantellerite and Obsidian

The history of Pantellerite 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.

Pantellerite and Obsidian Origin and Discoverer

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

Etymology of Pantellerite and Obsidian

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

For Pantellerite,

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

For Obsidian,

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