De Beers shines light on budding jewellery designers

Diamond giant De Beers will this year conduct its bi-annual Shining Light Awards jewellery design competition. De Beers beneficiation manager Kagiso Fredericks told Rough & Polished's Mathew Nyaungwa in an exclusive interview they set aside 4.5 carats...

22 july 2024

DiaMondaine Diamantaires Club mulls diamond safari tours in southern Africa

DiaMondaine Diamantaires Club (DDC) is set to organise diamond safari tours in southern Africa, home to major diamond-producing countries. DDC founder Agnes Abdulahu told Rough&Polished’s Mathew Nyaungwa that the launch of the first diamond safari...

15 july 2024

Vladislav Zhdanov: Questions of efficiency and investment potential of diamond mining versus diamond growing pique keen interest

Vladislav Zhdanov is Professor at the National Research University Higher School of Economics (HSE). He told Rough&Polished about new researches into the effectiveness of diamond production methods.

02 july 2024

Why it's expensive to cut and polish diamonds in Africa? ADMA president António Oliveira has the answer

The African Diamond Manufacturers Association (ADMA) president António Oliveira told Rough&Polished’s Mathew Nyaungwa in an exclusive interview that the lack of a robust infrastructure in Africa fails to accelerate and encourage manufacturing...

24 june 2024

Edahn Golan: IPO feasible but not Anglo’s preferred way to sell De Beers

Edahn Golan, owner of the eponymous Edahn Golan Diamond Research and Data, told Rough&Polished's Mathew Nyaungwa in an exclusive interview that while an IPO of De Beers is “feasible,"  he does not think this is a route Anglo American...

17 june 2024

Caledonia sees Blanket mine expansion after better-than-expected drilling

01 february 2024

Caledonia Mining’s recent in-fill deep drilling yielded grades and widths that exceeded initial projections, suggesting that the Blanket Mine's lifespan in Zimbabwe will be extended.

Drilling is currently focused on the Blanket and Eroica ore bodies, where crosscuts have been mined to allow optimal access to drill the deeper zones of the steeply dipping ore bodies.

"Our ongoing drilling campaign continues to demonstrate encouraging results, further improving our confidence in the Blanket resource,” said Caledonia chief executive Mark Learmonth.

“We anticipate that the positive grades and widths will result in an increased overall resource, which in due course should result in the extension of the existing life of the mine.”

A total of 7,652 metres of drilling from June 2023 to the end of December 2023 indicates that the existing Blanket and Eroica ore bodies have grades and widths that are generally better than expected.

Gold grades at depths of about 1,000 metres beneath the surface at the Blanket and Eroica ore deposits varied from 3.62 to 8.8 grammes per tonne (g/t) across widths of 4 to 16 metres.

Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished