1 Definition
1.1 Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
1.2 History
1.2.1 Origin
Pennsylvania, U.S.
1.2.2 Discoverer
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
1.4 Class
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock