Definition
Larvikite is an igneous rock and a variety of monzonite, notable for the presence of thumbnail-sized crystals of feldspar
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Larvik, Norway
Tamil Nadu, India
Discoverer
Unknown
T. H. Holland
Etymology
From the town of Larvik in Norway, where this type of igneous rock is found
From Job Charnock, an administtrator of East India Company
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock