311 - Minerals from Tanzania

311 - Minerales de Tanzania
OwnerManuel Briones
ObservationsSapphire is a variety of the mineral corundum, with a characteristic blue color, although there are other less common colors, due to impurities from certain oxides.
CountryTanzania
Face value2
Year1986
StateUsed
StatusInterchangeable
CategoryMinerals
FormatLandscape
ColorMulticolor
Other informationPerforated stamp
visualizations87