Variolite and Borolanite Definition

Definition of Variolite and Borolanite

The general Variolite and Borolanite definition can be stated as: 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. 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 Variolite and Borolanite, get to know about Properties of Variolite and Borolanite. Get to know more information about Variolite and Borolanite origin and discoverer, etymology and class.

History of Variolite and Borolanite

The history of Variolite 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.

Variolite and Borolanite Origin and Discoverer

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

Etymology of Variolite and Borolanite

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

For Variolite,

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

For Borolanite,

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