Obsidian and Itacolumite Definition

Definition of Obsidian and Itacolumite

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

History of Obsidian and Itacolumite

The history of Obsidian and Itacolumite 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 Itacolumite Origin and Discoverer

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

Etymology of Obsidian and Itacolumite

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

For Obsidian,

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

For Itacolumite,

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