Ijolite and Nepheline Syenite Definition

Definition of Ijolite and Nepheline Syenite

The general Ijolite and Nepheline Syenite definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Ijolite and Nepheline Syenite, get to know about Properties of Ijolite and Nepheline Syenite. Get to know more information about Ijolite and Nepheline Syenite origin and discoverer, etymology and class.

History of Ijolite and Nepheline Syenite

The history of Ijolite and Nepheline Syenite 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.

Ijolite and Nepheline Syenite Origin and Discoverer

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

Etymology of Ijolite and Nepheline Syenite

Along with Ijolite and Nepheline Syenite definition, know more about the etymology of Ijolite and Nepheline Syenite. Etymology of Ijolite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Nepheline Syenite. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Nepheline Syenite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Nepheline Syenite are listed below.

For Ijolite,

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

For Nepheline Syenite,

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