Ijolite and Schist Definition

Definition of Ijolite and Schist

The general Ijolite and Schist 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, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Ijolite and Schist, get to know about Properties of Ijolite and Schist. Get to know more information about Ijolite and Schist origin and discoverer, etymology and class.

History of Ijolite and Schist

The history of Ijolite and Schist 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 Schist Origin and Discoverer

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

Etymology of Ijolite and Schist

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

For Ijolite,

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

For Schist,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock