Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
History
Origin
Tamil Nadu, India
Skye, Scotland
Discoverer
T. H. Holland
Alfred Harker
Etymology
From Job Charnock, an administtrator of East India Company
From mugear + -ite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Opaque Rock