Breccia and Obsidian Definition

Definition of Breccia and Obsidian

The general Breccia and Obsidian definition can be stated as: Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. 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 Breccia and Obsidian, get to know about Properties of Breccia and Obsidian. Get to know more information about Breccia and Obsidian origin and discoverer, etymology and class.

History of Breccia and Obsidian

The history of Breccia 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.

Breccia and Obsidian Origin and Discoverer

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

Etymology of Breccia and Obsidian

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

For Breccia,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Obsidian,

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