Pegmatite and Ijolite Definition

Definition of Pegmatite and Ijolite

The general Pegmatite and Ijolite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. 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 Pegmatite and Ijolite, get to know about Properties of Pegmatite and Ijolite. Get to know more information about Pegmatite and Ijolite origin and discoverer, etymology and class.

History of Pegmatite and Ijolite

The history of Pegmatite 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.

Pegmatite and Ijolite Origin and Discoverer

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

Etymology of Pegmatite and Ijolite

Along with Pegmatite and Ijolite definition, know more about the etymology of Pegmatite and Ijolite. Etymology of Pegmatite and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Ijolite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Ijolite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Ijolite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Ijolite are listed below.

For Pegmatite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse 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