1 Definition
1.1 Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
1.2 History
1.2.1 Origin
Brazil
1.2.2 Discoverer
Unknown
1.3 Etymology
from French néphéline, from Greek nephelē
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock