Definition
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
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
Newton Horace Winchell
Unknown
Etymology
From the name of Taconic Mountains in New England
From Greek anthrakites, from anthrax, anthrak meaning coal
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
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Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock