Alkali Feldspar Granite and Obsidian Definition

Definition of Alkali Feldspar Granite and Obsidian

The general Alkali Feldspar Granite and Obsidian definition can be stated as: Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. 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 Alkali Feldspar Granite and Obsidian, get to know about Properties of Alkali Feldspar Granite and Obsidian. Get to know more information about Alkali Feldspar Granite and Obsidian origin and discoverer, etymology and class.

History of Alkali Feldspar Granite and Obsidian

The history of Alkali Feldspar Granite 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.

Alkali Feldspar Granite and Obsidian Origin and Discoverer

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

Etymology of Alkali Feldspar Granite and Obsidian

Along with Alkali Feldspar Granite and Obsidian definition, know more about the etymology of Alkali Feldspar Granite and Obsidian. Etymology of Alkali Feldspar Granite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Alkali Feldspar Granite and Formation of Obsidian. The etymology of Alkali Feldspar Granite is From mineral fledspar which is present in large quantities in this rock while that of Obsidian is From mineral fledspar which is present in large quantities in this rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Alkali Feldspar Granite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Alkali Feldspar Granite and Obsidian are listed below.

For Alkali Feldspar Granite,

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

For Obsidian,

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