1974: Mineral Heritage Issue. A set of four stamps. Minerals Represented: Petrified wood, tourmaline, amethyst, and rhodochrosite. 1992: Minerals. A…
Mining Stamps of the United Kingdom
1989: Industrial Archaeology series. Tin Mine, St Agnes, Cornwall.
Mineral Stamps from Uganda
1998: Minerals. A set of eight stamps. Minerals Represented: Emerald. Missing columbite-tantalite, galena, malachite, cassiterite, ferberite, monazite, and microcline.
Mineral Stamps from Tristan da Cunha
1978: Local Minerals. A set of four. Minerals Represented: Pyroxene, sulphur. Missing sodalite and aragonite.
Mineral Stamps from Togo
1999: Minerals. A set of seven stamps. Minerals Represented: Calcite, turquoise, pyrite, tourmaline, pyrargyrite, and malachite. Missing beryl.
Mineral Stamps from Tanzania
1986: Minerals. A set of five mineral/gemstones. Minerals Represented: Sapphire. Missing tanzanite, diamond, ruby (and pearl).
Mineral Stamps from Switzerland
1958: Pro Patria series. Minerals. Minerals Represented: Pyrite, smoky quartz. 1959: Pro Patria series. Minerals and Fossils. Minerals Represented: Agate,…
Mineral Stamps from Spain
1994: Minerals. Set of four stamps. Minerals Represented: Cinnabar, galena, pyrite, sphalerite. 1995: Minerals. A set of three stamps with…
Mineral Stamps from Russia (and the USSR)
1963: Gemstones of the Urals. A set of six stamps. Minerals Represented: Rhodonite, jasper, amethyst, topaz, emerald, malachite. 1974: World…
Mineral Stamps from South-West Africa (now Namibia)
1961: Country Motives. A set of seven stamps, four of which are relevant, diamond (below), heliodor, tourmaline, and topaz. Minerals…
Mineral Stamps from Slovenia
2001: 3D Mineral. Two stamps with slight differences. Presumably you need 3D glasses to appreciate. Minerals Represented: Fluorite.
Mineral Stamps from Sierra Leone
2018: Minerals. Agency issue. A postal administration may allow a third-party agency to issue stamps on its behalf. When the…