Uganda
Scott 603
35 shillings
18 Jan 1988
| Mineral Name: | Ferberite |
| Composition: | Iron tungstate |
| Nomenclature: | Named after Rudolph Ferber of Gera, Germany. |
| Industrial Uses: | Ore of tungsten. |
| Additional Notes: | Ferberite (iron tungstate) forms a series (the Wolfamite series) with the mineral huebnerite (manganese tungstate). Specimens with significant amounts of both iron and manganese are typically referred to as wolframite. |
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Ferberite Uganda Scott 603 35 shillings 18 Jan 1988 |
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| The stamp shows a natural, unpolished specimen. | |
| http://stampmin.home.att.net/ferberite.htm | Philatelic Mineralogy | Copyright © 1997-2008 by Richard Busch |