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