Obsidian and Travertine Definition

Definition of Obsidian and Travertine

The general Obsidian and Travertine 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, Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters. Along with definition of Obsidian and Travertine, get to know about Properties of Obsidian and Travertine. Get to know more information about Obsidian and Travertine origin and discoverer, etymology and class.

History of Obsidian and Travertine

The history of Obsidian and Travertine 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 Travertine Origin and Discoverer

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

Etymology of Obsidian and Travertine

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

For Obsidian,

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

For Travertine,

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