Azerbaijan
Scott 419
5 manat
15 Jun 1994
of a natural, unpolished mineral specimen.
| Mineral Name: | Laumontite |
| Composition: | Calcium aluminosilicate hydrate |
| Nomenclature: | Named after F.P.N. Gillet de Laumont, who discovered the mineral. |
| Industrial Uses: | Chemical filters. |
| Additional Notes: | A member of the Zeolite group of minerals. |
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Laumontite Azerbaijan Scott 419 5 manat 15 Jun 1994 |
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The stamp shows an illustration of a natural, unpolished mineral specimen. |
| http://stampmin.home.att.net/laumontite.htm | Philatelic Mineralogy | Copyright © 1997-2006 by Richard Busch |