Variolite and Theralite Definition

Definition of Variolite and Theralite

The general Variolite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Variolite and Theralite, get to know about Properties of Variolite and Theralite. Get to know more information about Variolite and Theralite origin and discoverer, etymology and class.

History of Variolite and Theralite

The history of Variolite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Variolite and Theralite

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

For Variolite,

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

For Theralite,

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