Definition
Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
-
Tamil Nadu, India
Discoverer
Unknown
T. H. Holland
Etymology
From Old English flint - a type of rock mainly known for high hardness and for giving off sparks when struck
From Job Charnock, an administtrator of East India Company
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock