by Claire DOYEN KWALHATHI, South Africa (AFP) — Single mother Lihle Magudulela spat out a mouthful of dirt as she sucked on a stone dug up from a hillside in South Africa’s KwaZulu-Natal province, convinced she might have found a diamond. Thousands have flocked to the outskirts of KwaHlathi village, more than 300 kilometres (186 miles) southeast of Johannesburg, after a cattle herder last week unearthed a handful of unidentified crystal-like stones. News of the […]