Rhodochrosite Sterling Silver PendantPink and cream in concentric ringsthe slow geology of an abandoned mine, set in silver. Rhodochrosite is manganese carbonate (MnCO3), Mohs 3. 54, and its characteristic banded pattern forms when manganese rich solutions deposit material layer by layer inside cavitiesoften, as tradition holds, in old silver mines. The stone's transparency and color intensity vary with manganese concentration; the banding records each pause in that slow deposition. Set