Variolite and Phyllite Definition

Definition of Variolite and Phyllite

The general Variolite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Variolite and Phyllite, get to know about Properties of Variolite and Phyllite. Get to know more information about Variolite and Phyllite origin and discoverer, etymology and class.

History of Variolite and Phyllite

The history of Variolite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Variolite and Phyllite

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

For Variolite,

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

For Phyllite,

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