Chile
Scott 1179a
150 pesos
9 Aug 1996
| Mineral Name: | Kroehnkite |
| Composition: | Sodium copper sulfate hydrate |
| Nomenclature: | Named after the first person to analyze the mineral, B. Kroehnke. |
| Industrial Uses: | Copper ore. |
| Additional Notes: | A rare mineral. Also known as krohnkite. |
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Kroehnkite Chile Scott 1179a 150 pesos 9 Aug 1996 |
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| The stamp shows a natural, unpolished specimen. |
| http://stampmin.home.att.net/kroehnkite.htm | Philatelic Mineralogy | Copyright © 1997-2008 by Richard Busch |