Tachylite and Variolite Definition

Definition of Tachylite and Variolite

The general Tachylite and Variolite definition can be stated as: Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. 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 Tachylite and Variolite, get to know about Properties of Tachylite and Variolite. Get to know more information about Tachylite and Variolite origin and discoverer, etymology and class.

History of Tachylite and Variolite

The history of Tachylite 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.

Tachylite and Variolite Origin and Discoverer

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

Etymology of Tachylite and Variolite

Along with Tachylite and Variolite definition, know more about the etymology of Tachylite and Variolite. Etymology of Tachylite and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Tachylite and Formation of Variolite. The etymology of Tachylite is From German Tachylite, from tachy- + Greek lutos soluble, melting while that of Variolite is From German Tachylite, from tachy- + Greek lutos soluble, melting. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tachylite and Variolite belong to Igneous Rocks. The sub-class, group and other categories of Tachylite and Variolite are listed below.

For Tachylite,

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

For Variolite,

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