Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
History
Origin
Pennsylvania, U.S.
Southern Alps, France
Discoverer
Unknown
Dolomieu
Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock