Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Enderbite rock is an igneous rock which belongs to the Charnockite rock series
History
Origin
Pennsylvania, U.S.
Enderby Land, Antarctica
Discoverer
Unknown
Unknown
Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From its occurrence in Enderby Land, Antarctica
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock