Itacolumite and Obsidian Definition

Definition of Itacolumite and Obsidian

The general Itacolumite and Obsidian definition can be stated as: A yellow sandstone which is flexible when cut into thin strips. 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 Itacolumite and Obsidian, get to know about Properties of Itacolumite and Obsidian. Get to know more information about Itacolumite and Obsidian origin and discoverer, etymology and class.

History of Itacolumite and Obsidian

The history of Itacolumite 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.

Itacolumite and Obsidian Origin and Discoverer

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

Etymology of Itacolumite and Obsidian

Along with Itacolumite and Obsidian definition, know more about the etymology of Itacolumite and Obsidian. Etymology of Itacolumite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Itacolumite and Formation of Obsidian. The etymology of Itacolumite is From the name of a mountain range where it was found; Itacolumi mountain in Brazil while that of Obsidian is From the name of a mountain range where it was found; Itacolumi mountain in Brazil. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Itacolumite belongs to Sedimentary Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Itacolumite and Obsidian are listed below.

For Itacolumite,

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

For Obsidian,

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