Variolite and Syenite Definition

Definition of Variolite and Syenite

The general Variolite and Syenite 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, Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. Along with definition of Variolite and Syenite, get to know about Properties of Variolite and Syenite. Get to know more information about Variolite and Syenite origin and discoverer, etymology and class.

History of Variolite and Syenite

The history of Variolite and Syenite 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 Syenite Origin and Discoverer

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

Etymology of Variolite and Syenite

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

For Variolite,

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

For Syenite,

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