Borolanite and Variolite Definition

Definition of Borolanite and Variolite

The general Borolanite and Variolite 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, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Borolanite and Variolite, get to know about Properties of Borolanite and Variolite. Get to know more information about Borolanite and Variolite origin and discoverer, etymology and class.

History of Borolanite and Variolite

The history of Borolanite and Variolite 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 Variolite Origin and Discoverer

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

Etymology of Borolanite and Variolite

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

For Borolanite,

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

For Variolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Opaque rock