Obsidian and Jaspillite Definition

Definition of Obsidian and Jaspillite

The general Obsidian and Jaspillite 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, Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks. Along with definition of Obsidian and Jaspillite, get to know about Properties of Obsidian and Jaspillite. Get to know more information about Obsidian and Jaspillite origin and discoverer, etymology and class.

History of Obsidian and Jaspillite

The history of Obsidian and Jaspillite 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 Jaspillite Origin and Discoverer

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

Etymology of Obsidian and Jaspillite

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

For Obsidian,

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

For Jaspillite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock