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Tephrite and Novaculite Definition


Novaculite and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   
Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture   

History
  
  

Origin
Germany   
Unknown   

Discoverer
Van Tooren   
Unknown   

Etymology
From Greek tephra, ashes from Indo-European base, to burn   
From Latin word novacula, for razor stone   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

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Definition of Tephrite and Novaculite

The general Tephrite and Novaculite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture. Along with definition of Tephrite and Novaculite, get to know about Properties of Tephrite and Novaculite. Get to know more information about Tephrite and Novaculite origin and discoverer, etymology and class.

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History of Tephrite and Novaculite

The history of Tephrite and Novaculite 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 Novaculite Origin and Discoverer

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

Etymology of Tephrite and Novaculite

Along with Tephrite and Novaculite definition, know more about the etymology of Tephrite and Novaculite. Etymology of Tephrite and Novaculite gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Novaculite. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Novaculite 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 belongs to Igneous Rocks while Novaculite belongs to Sedimentary Rocks. The sub-class, group and other categories of Tephrite and Novaculite are listed below.

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