Variolite and Vogesite Definition

Definition of Variolite and Vogesite

The general Variolite and Vogesite 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, Vogesite is a porphyritic alkaline igneous rock and is a variety of Lamprophyre which is dominated by essential amphibole, usually hornblende, and potassic feldspar. Along with definition of Variolite and Vogesite, get to know about Properties of Variolite and Vogesite. Get to know more information about Variolite and Vogesite origin and discoverer, etymology and class.

History of Variolite and Vogesite

The history of Variolite and Vogesite 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 Vogesite Origin and Discoverer

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

Etymology of Variolite and Vogesite

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

For Variolite,

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

For Vogesite,

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