Novaculite and Obsidian Definition

Definition of Novaculite and Obsidian

The general Novaculite and Obsidian definition can be stated as: Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture. 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 Novaculite and Obsidian, get to know about Properties of Novaculite and Obsidian. Get to know more information about Novaculite and Obsidian origin and discoverer, etymology and class.

History of Novaculite and Obsidian

The history of Novaculite 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.

Novaculite and Obsidian Origin and Discoverer

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

Etymology of Novaculite and Obsidian

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

For Novaculite,

• Sub-class: Durable Rock and Hard 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