Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Pennsylvania, U.S.
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock