Phonolite and Tephrite Definition

Definition of Phonolite and Tephrite

The general Phonolite and Tephrite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Phonolite and Tephrite, get to know about Properties of Phonolite and Tephrite. Get to know more information about Phonolite and Tephrite origin and discoverer, etymology and class.

History of Phonolite and Tephrite

The history of Phonolite and Tephrite 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.

Phonolite and Tephrite Origin and Discoverer

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

Etymology of Phonolite and Tephrite

Along with Phonolite and Tephrite definition, know more about the etymology of Phonolite and Tephrite. Etymology of Phonolite and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Tephrite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Tephrite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Tephrite belong to Igneous Rocks. The sub-class, group and other categories of Phonolite and Tephrite are listed below.

For Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Tephrite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock