Obsidian and Larvikite Definition

Definition of Obsidian and Larvikite

The general Obsidian and Larvikite definition can be stated as: 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. On the other hand, Larvikite is an igneous rock and a variety of monzonite, notable for the presence of thumbnail-sized crystals of feldspar. Along with definition of Obsidian and Larvikite, get to know about Properties of Obsidian and Larvikite. Get to know more information about Obsidian and Larvikite origin and discoverer, etymology and class.

History of Obsidian and Larvikite

The history of Obsidian and Larvikite 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.

Obsidian and Larvikite Origin and Discoverer

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

Etymology of Obsidian and Larvikite

Along with Obsidian and Larvikite definition, know more about the etymology of Obsidian and Larvikite. Etymology of Obsidian and Larvikite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Larvikite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Larvikite is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian and Larvikite belong to Igneous Rocks. The sub-class, group and other categories of Obsidian and Larvikite are listed below.

For Obsidian,

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

For Larvikite,

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