Tephrite and Ijolite Definition

Definition of Tephrite and Ijolite

The general Tephrite and Ijolite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Tephrite and Ijolite, get to know about Properties of Tephrite and Ijolite. Get to know more information about Tephrite and Ijolite origin and discoverer, etymology and class.

History of Tephrite and Ijolite

The history of Tephrite and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Tephrite and Ijolite

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

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

For Ijolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock