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Obsidian and Harzburgite Definition


Harzburgite and Obsidian Definition


Definition

Definition
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   
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine   

History
  
  

Origin
Ethiopia   
Germany   

Discoverer
Obsius   
Unknown   

Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   
From the name of a town in Harzburg, Germany   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Volcanic   
Plutonic   

Other Categories
Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Obsidian and Harzburgite

The general Obsidian and Harzburgite 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, Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine. Along with definition of Obsidian and Harzburgite, get to know about Properties of Obsidian and Harzburgite. Get to know more information about Obsidian and Harzburgite origin and discoverer, etymology and class.

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History of Obsidian and Harzburgite

The history of Obsidian and Harzburgite 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 Harzburgite Origin and Discoverer

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

Etymology of Obsidian and Harzburgite

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

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For Harzburgite,

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