Gem, Rock, and Mineral Postage Stamps Featuring
Coal


Rock Name: Coal
Composition: Metamorphosed or stratified organic plant material
Nomenclature: Named after the German word kol which means "burning ember."
Industrial Uses: Fuel.
Additional Notes: Technically, coal is not a mineral due to its organic origin.



Zimbabwe Scott 679
Coal
Zimbabwe
Scott 679
90 cents
1993

The stamp shows a natural, unpolished specimen.



http://mineralstamps.rbnet.net/coal.htm Philatelic Mineralogy Copyright © 1997-2010 by Richard Busch