Chalcedony (Kalahari Manganese Fields, South Africa)
N'Chwaning 2 Mine, Kalahari Manganese Fields, South Africa. 50mm x 45mm.
Quartz in any form is a rarity in the manganese fields, these chalcedony specimens came out for a short while in the early years then seem to have completely vanished. This specimen would compliment a suite of minerals from the manganese fields well. Packed shipping weight +/- 170gr.