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Tachylite and Pegmatite Definition


Pegmatite 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   
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   

History
  
  

Origin
Iceland   
Unknown   

Discoverer
Unknown   
R. J. Hauy   

Etymology
From German Tachylite, from tachy- + Greek lutos soluble, melting   
From Greek pegma, pegmat which means- thing joined together + -ite   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Tachylite and Pegmatite

The general Tachylite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Tachylite and Pegmatite, get to know about Properties of Tachylite and Pegmatite. Get to know more information about Tachylite and Pegmatite origin and discoverer, etymology and class.

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History of Tachylite and Pegmatite

The history of Tachylite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Tachylite and Pegmatite

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

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