Obsidian and Diatomite Definition

Definition of Obsidian and Diatomite

The general Obsidian and Diatomite 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, Diatomite is a fine-grained sedimentary rock which is formed from consolidated diatomaceous earth. Along with definition of Obsidian and Diatomite, get to know about Properties of Obsidian and Diatomite. Get to know more information about Obsidian and Diatomite origin and discoverer, etymology and class.

History of Obsidian and Diatomite

The history of Obsidian and Diatomite 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 Diatomite Origin and Discoverer

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

Etymology of Obsidian and Diatomite

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

For Obsidian,

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

For Diatomite,

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