French Territory of the Afars and the Issas, 1971 on December 10, 2020 1971 Africa agate basalt Djibouti French Territory of the Afars and the Issas olivine quartz +
Andorra, 1969 (European water conservation) on December 10, 2020 1969 Andorra diamond Europe water conservation +
DDR, 1965 (200 years of Freiberg Mining School) on December 10, 2020 1965 DDR Europe Freiberg Mining School Germany miner proustite sphalerite +
United States of America, 1974 on December 10, 2020 1974 amethyst North America petrified wood rhodochrosite tourmaline United States of America USA +