Obsidian and Pantellerite Definition

Definition of Obsidian and Pantellerite

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

History of Obsidian and Pantellerite

The history of Obsidian and Pantellerite 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 Pantellerite Origin and Discoverer

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

Etymology of Obsidian and Pantellerite

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

For Obsidian,

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

For Pantellerite,

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