Toenail, 2.9 x 2.5 x 1.9 cm
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

An excellent cluster of gemmy and lustrous, sulfur-yellow to brown ettringite crystals from the famous N'Chwaning II Mine. The large 2.2 cm crystal is doubly terminated, complete all-around and is nearly pristine, with only trivial termination edge wear and a slight side contact.