1982: Minerals. A set of ten stamps.
Minerals Represented: Chalcopyrite, and tourmaline. Missing azurite, banded ironstone, bornite, cobaltocalcite, malachite, uranium ore, and vanadinite.




1982: Minerals. A set of ten stamps.
Minerals Represented: Chalcopyrite, and tourmaline. Missing azurite, banded ironstone, bornite, cobaltocalcite, malachite, uranium ore, and vanadinite.