Nephelinite and Schist Definition

Definition of Nephelinite and Schist

The general Nephelinite and Schist definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety 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 Nephelinite and Schist, get to know about Properties of Nephelinite and Schist. Get to know more information about Nephelinite and Schist origin and discoverer, etymology and class.

History of Nephelinite and Schist

The history of Nephelinite 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.

Nephelinite and Schist Origin and Discoverer

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

Etymology of Nephelinite and Schist

Along with Nephelinite and Schist definition, know more about the etymology of Nephelinite and Schist. Etymology of Nephelinite and Schist gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Schist. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Schist is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Schist belongs to Metamorphic Rocks. The sub-class, group and other categories of Nephelinite and Schist are listed below.

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine 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