Nephelinite Definition

Nephelinite

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Definition

Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).

History

Origin

Brazil

Discoverer

Unknown

Etymology

from French néphéline, from Greek nephelē

Class

Igneous Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Plutonic

Other Categories

Fine Grained Rock, Opaque Rock

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Define Nephelinite

Nephelinite is one of the important type of rocks. If we have to define Nephelinite in general, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Nephelinite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Nephelinite Definition, know more about the History of Nephelinite, Etymology of Nephelinite in next sections.