1997 International Mining Congress, Cuenca – Minerals. Issued in October. Minerals represented: Quartz, chalcopyrite, gold, petrified wood, and pyrite.
Mineral Stamps from Cyprus
1998 Minerals of Cyprus. More information and the full set of four stamps here. Mineral represented: Gypsum. The other three…
Mineral Stamps from Republic of the Congo (Brazzaville)
1999 Minerals. Issued July. No watermark. Sheet size: 4. Engraving: Impressor. S.A. Perforation: 13¼. Republic of the Congo (also sometimes…
Mineral Stamps from Colombia
1972 Colombian Emeralds. Issued in June. No watermark. Design: Mosdóssy Engraving: De La Rue de Colombia. Perforation: 13¾ x 14¼.…
Mineral Stamps from Chile
Ignacy Domeyko The mineral domeykite was named by Wilhelm Haidinger in 1845 in honor of the Polish mineralogist Ignacy “Ignacio”…
Mining Stamps from Chile
1939 Country Views. Copper Mine. One of a series of “views” including natural (eg: lakes, waterfalls, etc.), and industrial (eg:…
Mineral Stamps from Chad
2000 Minerals. Issued January. No watermark. Perforation: 12¼. Minerals represented: Wulfenite, argentite, siderite, sphalerite on dolomite and quartz, azurite, spinel…
Mineral Stamps from Central African Republic
2016 Minerals. Minisheet. Agency issue. Minerals represented: Corundum (ruby), copper, epidote, and crocoite. 2023 World-renowned mineral deposits. Lengenbach Mine (Switzerland).…
Mineral Stamps from Canada
1992 Minerals. 150th Anniversary of the Geological Survey of Canada. Minerals represented: Copper, sodalite, gold, and galena. [Missing Grossular from…
Mineral Stamps from Cambodia
1998 Minerals. More details here. Minerals represented: Beryl (emerald), Cat’s Eye, beryl (aquamarine), corundum (ruby), malachite, and turquoise.
Mineral Stamps from Bulgaria
1995 Minerals. More information here. Minerals represented: Agate, sphalerite, calcite, quartz, pyromorphite, and almandine.
Mineral Stamps from Brazil
1977 International Thematic Stamp Exhibition “Portucale 77” – Porto, Portugal – Gemstones. Full set details here. Minerals represented: Beryl (emerald),…