Nephelinite and Novaculite Definition

Definition of Nephelinite and Novaculite

The general Nephelinite and Novaculite 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, Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture. Along with definition of Nephelinite and Novaculite, get to know about Properties of Nephelinite and Novaculite. Get to know more information about Nephelinite and Novaculite origin and discoverer, etymology and class.

History of Nephelinite and Novaculite

The history of Nephelinite and Novaculite 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 Novaculite Origin and Discoverer

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

Etymology of Nephelinite and Novaculite

Along with Nephelinite and Novaculite definition, know more about the etymology of Nephelinite and Novaculite. Etymology of Nephelinite and Novaculite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Novaculite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Novaculite 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 Novaculite belongs to Sedimentary Rocks. The sub-class, group and other categories of Nephelinite and Novaculite are listed below.

For Nephelinite,

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

For Novaculite,

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