Rhodocrosite, Hotazel, South Africa (Ex Prosper J. Williams)

Brightly coloured cluster of drusy rhodocrosite crystals on managanse ore. Formerly from the stock of Prosper J. Williams (label accompanies the piece).  This specimen was probably mined in the late 1970s and had been stashed away until now. Hotazel, South Africa. Dimensions: 4 cm x 4 cm