Obsidian and Websterite Definition

Definition of Obsidian and Websterite

The general Obsidian and Websterite 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, Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. Along with definition of Obsidian and Websterite, get to know about Properties of Obsidian and Websterite. Get to know more information about Obsidian and Websterite origin and discoverer, etymology and class.

History of Obsidian and Websterite

The history of Obsidian and Websterite 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 Websterite Origin and Discoverer

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

Etymology of Obsidian and Websterite

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

For Obsidian,

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

For Websterite,

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