1974 10¢ Rhodochrosite
Issue Date: June 13, 1974
City: Lincoln, Nebraska
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
U.S. #1541 pictures rhodochrosite, a mineral colored rose red. The color is due to the presence of manganese, a natural metal element that has important industrial uses. Rhodochrosite is often mined so that the manganese may be extracted.
America’s Mineral Heritage
The 1974 “Mineral Heritage” se-tenant included the first stamps designed in a diamond shape in the U.S. postal history. Issued to commemorate the importance and abundance of mineral resources to the country, the four stamps were attached to also form a diamond-shaped se-tenant sheet. The stamps pictured petrified wood, tourmaline, amethyst, and rhodochrosite.