Nephelinite and Borolanite Definition

Definition of Nephelinite and Borolanite

The general Nephelinite and Borolanite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Nephelinite and Borolanite, get to know about Properties of Nephelinite and Borolanite. Get to know more information about Nephelinite and Borolanite origin and discoverer, etymology and class.

History of Nephelinite and Borolanite

The history of Nephelinite and Borolanite 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.

Nephelinite and Borolanite Origin and Discoverer

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

Etymology of Nephelinite and Borolanite

Along with Nephelinite and Borolanite definition, know more about the etymology of Nephelinite and Borolanite. Etymology of Nephelinite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Borolanite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Borolanite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Borolanite belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Borolanite are listed below.

For Nephelinite,

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

For Borolanite,

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