Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase
History
Origin
Tamil Nadu, India
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Discoverer
T. H. Holland
Alexandre Brongniart
Etymology
From Job Charnock, an administtrator of East India Company
From Amphibole + -ite
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
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Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock