Definition
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Germany
Tamil Nadu, India
Discoverer
Unknown
T. H. Holland
Etymology
From the name of a town in Harzburg, Germany
From Job Charnock, an administtrator of East India Company
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock