Variolite and Scoria Definition

Definition of Variolite and Scoria

The general Variolite and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Variolite and Scoria, get to know about Properties of Variolite and Scoria. Get to know more information about Variolite and Scoria origin and discoverer, etymology and class.

History of Variolite and Scoria

The history of Variolite and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Variolite and Scoria

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

For Variolite,

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

For Scoria,

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