New Caledonia
Scott 472
15 francs
17 Mar 1982
| Mineral Name: | Chalcanthite |
| Composition: | Copper sulfate hydrate |
| Nomenclature: | Named after the Greek words chalkos and anthos meaning "copper" and "flower" respectively, in reference to its chemical composition and habit. |
| Industrial Uses: | Copper ore. |
| Additional Notes: | Also known as copper vitriol and blue vitriol. Readily dissolves in water. |
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Chalcanthite New Caledonia Scott 472 15 francs 17 Mar 1982 |
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| The stamp shows a natural, unpolished specimen. | |
| http://mineralstamps.rbnet.net/chalcanthite.htm | Philatelic Mineralogy | Copyright © 1997-2010 by Richard Busch |