Ijolite and Amphibolite Definition

Definition of Ijolite and Amphibolite

The general Ijolite and Amphibolite 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, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Ijolite and Amphibolite, get to know about Properties of Ijolite and Amphibolite. Get to know more information about Ijolite and Amphibolite origin and discoverer, etymology and class.

History of Ijolite and Amphibolite

The history of Ijolite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Ijolite and Amphibolite

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

For Ijolite,

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

For Amphibolite,

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