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Tachylite and Obsidian Definition


Obsidian and Tachylite Definition


Definition

Definition
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt   
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   

History
  
  

Origin
Iceland   
Ethiopia   

Discoverer
Unknown   
Obsius   

Etymology
From German Tachylite, from tachy- + Greek lutos soluble, melting   
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Tachylite and Obsidian

The general Tachylite and Obsidian definition can be stated as: Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. 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 Tachylite and Obsidian, get to know about Properties of Tachylite and Obsidian. Get to know more information about Tachylite and Obsidian origin and discoverer, etymology and class.

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History of Tachylite and Obsidian

The history of Tachylite 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.

Tachylite and Obsidian Origin and Discoverer

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

Etymology of Tachylite and Obsidian

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

For Tachylite,

For Obsidian,

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