2.2" Rhodochrosite Stalactite Slice with Pyrite - Argentina
This is a partially polished rhodochrosite stalactite segment, collected from the Santa Rita Mine in Argentina. The banding of this specimen is beautifully defined and contains wonderful coloring. The portion of this mine that produced these types of banded rhodochrosite specimens, was mined out decades ago.
Rhodochrosite is a manganese carbonate mineral with them chemical composition MnCO3. The crystals typically have a pink-red coloration and cleaves with rhombohedral cleaving in three directions. It forms from hydrothermal pockets and can be found as both crystals and in banded formations.