Icelandite and Obsidian Definition

Definition of Icelandite and Obsidian

The general Icelandite and Obsidian definition can be stated as: Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock. 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 Icelandite and Obsidian, get to know about Properties of Icelandite and Obsidian. Get to know more information about Icelandite and Obsidian origin and discoverer, etymology and class.

History of Icelandite and Obsidian

The history of Icelandite 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.

Icelandite and Obsidian Origin and Discoverer

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

Etymology of Icelandite and Obsidian

Along with Icelandite and Obsidian definition, know more about the etymology of Icelandite and Obsidian. Etymology of Icelandite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Icelandite and Formation of Obsidian. The etymology of Icelandite is From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland while that of Obsidian is From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Icelandite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Icelandite and Obsidian are listed below.

For Icelandite,

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

For Obsidian,

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