1 Definition
1.1 Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
1.2 History
1.2.1 Origin
Tamil Nadu, India
Unknown
1.2.2 Discoverer
1.3 Etymology
From Job Charnock, an administtrator of East India Company
From French schiste, Greek skhistos i.e. split
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock