Aplite and Obsidian Definition

Definition of Aplite and Obsidian

The general Aplite and Obsidian definition can be stated as: Aplite is a fine-grained granite composed mainly of feldspar and quartz. 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 Aplite and Obsidian, get to know about Properties of Aplite and Obsidian. Get to know more information about Aplite and Obsidian origin and discoverer, etymology and class.

History of Aplite and Obsidian

The history of Aplite 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.

Aplite and Obsidian Origin and Discoverer

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

Etymology of Aplite and Obsidian

Along with Aplite and Obsidian definition, know more about the etymology of Aplite and Obsidian. Etymology of Aplite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Aplite and Formation of Obsidian. The etymology of Aplite is From German Aplit, from Greek haploos simple + -ite while that of Obsidian is From German Aplit, from Greek haploos simple + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Aplite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Aplite and Obsidian are listed below.

For Aplite,

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

For Obsidian,

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