Borolanite and Nephelinite Definition

Definition of Borolanite and Nephelinite

The general Borolanite and Nephelinite definition can be stated as: 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. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Borolanite and Nephelinite, get to know about Properties of Borolanite and Nephelinite. Get to know more information about Borolanite and Nephelinite origin and discoverer, etymology and class.

History of Borolanite and Nephelinite

The history of Borolanite and Nephelinite 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.

Borolanite and Nephelinite Origin and Discoverer

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

Etymology of Borolanite and Nephelinite

Along with Borolanite and Nephelinite definition, know more about the etymology of Borolanite and Nephelinite. Etymology of Borolanite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Nephelinite. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Nephelinite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Borolanite and Nephelinite belong to Igneous Rocks. The sub-class, group and other categories of Borolanite and Nephelinite are listed below.

For Borolanite,

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

For Nephelinite,

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