Ijolite and Tachylite Definition

Definition of Ijolite and Tachylite

The general Ijolite and Tachylite definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. On the other hand, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Ijolite and Tachylite, get to know about Properties of Ijolite and Tachylite. Get to know more information about Ijolite and Tachylite origin and discoverer, etymology and class.

History of Ijolite and Tachylite

The history of Ijolite and Tachylite 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.

Ijolite and Tachylite Origin and Discoverer

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

Etymology of Ijolite and Tachylite

Along with Ijolite and Tachylite definition, know more about the etymology of Ijolite and Tachylite. Etymology of Ijolite and Tachylite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Tachylite. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Tachylite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite and Tachylite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Tachylite are listed below.

For Ijolite,

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

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