Zimbabwe
Scott 679
90 cents
1993
| 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. |
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Coal Zimbabwe Scott 679 90 cents 1993 |
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| The stamp shows a natural, unpolished specimen. | |
| http://mineralstamps.rbnet.net/coal.htm | Philatelic Mineralogy | Copyright © 1997-2010 by Richard Busch |