1969 Fossils and Minerals series. Minerals Represented: Sphalerite, greenockite and calcite, quartz, copper, and cuprite. Fossils: Fossilised Zelkova Leaves, fossilised…
1969 Fossils and Minerals series. Minerals Represented: Sphalerite, greenockite and calcite, quartz, copper, and cuprite. Fossils: Fossilised Zelkova Leaves, fossilised…