A Good Sized, Lustrous, Sharp White Calcite Crystal with a Smaller Twin. Discovered 1960-1970's.
8.5 x 9.9 x 12.8 cm
735.7g
N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa.
Ex. Sid Peters Collection.