Ijolite and Foidolite Definition

Definition of Ijolite and Foidolite

The general Ijolite and Foidolite 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, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Ijolite and Foidolite, get to know about Properties of Ijolite and Foidolite. Get to know more information about Ijolite and Foidolite origin and discoverer, etymology and class.

History of Ijolite and Foidolite

The history of Ijolite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Ijolite and Foidolite

Along with Ijolite and Foidolite definition, know more about the etymology of Ijolite and Foidolite. Etymology of Ijolite and Foidolite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Foidolite. 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 Foidolite 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 Foidolite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Foidolite are listed below.

For Ijolite,

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

For Foidolite,

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