Granite and Variolite Definition

Definition of Granite and Variolite

The general Granite and Variolite definition can be stated as: Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. On the other hand, 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. Along with definition of Granite and Variolite, get to know about Properties of Granite and Variolite. Get to know more information about Granite and Variolite origin and discoverer, etymology and class.

History of Granite and Variolite

The history of Granite and Variolite 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.

Granite and Variolite Origin and Discoverer

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

Etymology of Granite and Variolite

Along with Granite and Variolite definition, know more about the etymology of Granite and Variolite. Etymology of Granite and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Variolite. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Variolite is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite and Variolite belong to Igneous Rocks. The sub-class, group and other categories of Granite and Variolite are listed below.

For Granite,

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

For Variolite,

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