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Tephrite and Appinite Definition


Appinite and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

History
  
  

Origin
Germany   
Unknown   

Discoverer
Van Tooren   
Unknown   

Etymology
From Greek tephra, ashes from Indo-European base, to burn   
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
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Definition of Tephrite and Appinite

The general Tephrite and Appinite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Tephrite and Appinite, get to know about Properties of Tephrite and Appinite. Get to know more information about Tephrite and Appinite origin and discoverer, etymology and class.

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History of Tephrite and Appinite

The history of Tephrite and Appinite 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.

Tephrite and Appinite Origin and Discoverer

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

Etymology of Tephrite and Appinite

Along with Tephrite and Appinite definition, know more about the etymology of Tephrite and Appinite. Etymology of Tephrite and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Appinite. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Appinite is From Greek tephra, ashes from Indo-European base, to burn. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tephrite and Appinite belong to Igneous Rocks. The sub-class, group and other categories of Tephrite and Appinite are listed below.

For Tephrite,

For Appinite,

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