Variolite and Schist Definition

Definition of Variolite and Schist

The general Variolite and Schist 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, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Variolite and Schist, get to know about Properties of Variolite and Schist. Get to know more information about Variolite and Schist origin and discoverer, etymology and class.

History of Variolite and Schist

The history of Variolite and Schist 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 Schist Origin and Discoverer

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

Etymology of Variolite and Schist

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

For Variolite,

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

For Schist,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock