Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
History
Origin
Isle of Mull, Scotland
Pennsylvania, U.S.
Discoverer
Ben More
Unknown
Etymology
From the name of discoverer, Ben More
From Greek anthrakites, from anthrax, anthrak meaning coal
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock