Variolite and Appinite Definition

Definition of Variolite and Appinite

The general Variolite and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Variolite and Appinite, get to know about Properties of Variolite and Appinite. Get to know more information about Variolite and Appinite origin and discoverer, etymology and class.

History of Variolite and Appinite

The history of Variolite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Variolite and Appinite

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

For Variolite,

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

For Appinite,

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