Diatomite and Obsidian Definition

Definition of Diatomite and Obsidian

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

History of Diatomite and Obsidian

The history of Diatomite 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.

Diatomite and Obsidian Origin and Discoverer

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

Etymology of Diatomite and Obsidian

Along with Diatomite and Obsidian definition, know more about the etymology of Diatomite and Obsidian. Etymology of Diatomite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Diatomite and Formation of Obsidian. The etymology of Diatomite is From diatom + -ite1 while that of Obsidian is From diatom + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diatomite belongs to Sedimentary Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Diatomite and Obsidian are listed below.

For Diatomite,

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

For Obsidian,

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