Ettringite, Calcite
Cabinet, 9.6 x 4.8 x 4.0 cm
N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

Two-sided specimen of gemmy canary-yellow ettringite crystals to 7 mm nicely scattered as isolated crystals and in groups on sparkly, drusy calcite from the famous Nchwaning Mine of South Africa. 9.6 x 4.8 x 4.0 cm