Some of the rarest and most beautiful mineral specimens in Africa come from the Kalahari Manganese Fields. The mines there are unusual in that they will stop to collect specimens where most commercial mines will crush them as ore.
Length: 8 cm (3.1”) x 4.3 cm (1.6”)
Weight: 97 grams
Rhodochrosite is a highly collectible manganese carbonate mineral with chemical composition MnCO3.