marble mining in namibia
marble mining in namibia Blue Lace Agate is found on the farm Ysterputs 254 meaning iron holes in Namibia The mine is located adjacent to the Blinkpan shining shallow lake which can be seen to the west of the B1 highway about 80 km north of Vioolsdrift and Noordoewer which are the border towns on either side of the Orange River between South African and Namibia