Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
History
Origin
Tamil Nadu, India
Pike County, U.S
Discoverer
T. H. Holland
Unknown
Etymology
From Job Charnock, an administtrator of East India Company
From French, from peridot + -ite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock