Nephelinite and Appinite Definition

Definition of Nephelinite and Appinite

The general Nephelinite and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Nephelinite and Appinite, get to know about Properties of Nephelinite and Appinite. Get to know more information about Nephelinite and Appinite origin and discoverer, etymology and class.

History of Nephelinite and Appinite

The history of Nephelinite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Nephelinite and Appinite

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

For Nephelinite,

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

For Appinite,

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