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Diamonds

Diamond market outlook at even odds

By: Mamaili Mamaila     5th June 2020 The diamond industry has been dealing with an oversupplied market since upstream production hit a multi-year high in 2017 and as the mid-stream segment delivered inventory in 2018 and 2019. 

Diamonds are forever in times of crisis

By: Mamaili Mamaila     5th June 2020 Some mined commodities, particularly precious metals, such as gold, have increased in value, owing to the perception that they can be safe-haven assets during times of crisis. 

Diamonds are forever in times of crisis
ERNEST BLOM The reopening of markets, such as those of China and the US, are a much-needed light at the end of the tunne

Diamonds’ upward trend to resume post pandemic

By: Mamaili Mamaila     5th June 2020 Although diamond prices were gradually recovering from their low during the 2008/09 financial crisis, prior to the Covid-19 pandemic, the lockdowns in many countries have caused trading to come to a halt. 

Diamonds’ upward trend to resume post pandemic
JAMES CAMPBELL Although diamond prices typically drop the fastest – which they have – they are also among the quickest to recover

Sector ahead of the sustainability curve, challenges remain

By: Mamaili Mamaila     5th June 2020 With many local diamond mining operations reaching their end of life, the rehabilitation and remediation of such sites – in a closure and liquidation context – has been a particular focus in recent years, says law firm Bowmans partner Wandisile Mandlana. 

Sector ahead of the sustainability curve, challenges remain
LEADING THE PACK The sector is a few years ahead of other mining subsectors locally in terms of closure

Manufacturer completes DRC alluvial mining equipment project

By: Khutso Maphatsoe     7th June 2019 Alluvial diamond mining equipment manufacturer PCF Engineering has completed a multimillion-rand project for a client active in the Tshikapa diamond field in the Democratic Republic of Congo, for the manufacture and supply of a variety of equipment. PCF Engineering supplied gravel pumps,... 

Manufacturer completes DRC alluvial mining equipment project
Photo by Creamer Media
ECONOMIC ENDEAVOUR For some small mining companies it is much cheaper to do alluvial mining in the rivers

Zero harm is possible – Zikalala 

By: Martin Creamer     7th June 2019 Nompumelelo (Mpumi) Zikalala has hit the ground running as the newly appointed Managing Director of De Beers Group Managed Operations in South Africa and Canada, which employ more than 5 500 people, including contractors. The focus of the De Beers Group Managed Operations leadership team is on... 

Zero harm is possible – Zikalala
Newly appointed MD of De Beers Group Managed Operations in South Africa and Canada Mpumi Zikalala talks to Mining Weekly Online’s Martin Creamer. Video: Nicholas Boyd. Video Editing: Christo Greyling.

Company provides maintenance and repair services for mining industry

By: Khutso Maphatsoe     7th June 2019 Having recently completed a large facility management project for diamond processing organisation the Diamond Trading Company (DTC) in Gaborone, Botswana, industrial rope-access specialist Skyriders has found a faster, more efficient way of conducting maintenance on site through rope access. The... 

Technological advancements unlock midwater mining

By: Paige Müller     8th June 2018 Using effective, remote marine mining tools that can handle rugged and uneven midwater terrains has placed abundant midwater diamond deposits within reach of small-scale mining operations, says local diamond exploration company Mza Diamond Resources CEO Willem Steenkamp. He notes that geologists... 

Technological advancements unlock midwater mining
BULK SAMPLING PROGRAMME Mza Diamond Resources plans to conduct a bulk sampling programme to establish the grade and volume of resources in marine diamond area 7B

Beneficiation industry declines amid restrictive legislative environment, training dearth

By: Paige Müller     8th June 2018 The South African diamond beneficiation market is no longer globally competitive, says rough and polished diamonds and precious stones trading association World Federation of Diamond Bourses president Ernest Blom. He tells Mining Weekly that the local diamond beneficiation industry has “shrunk... 

Beneficiation industry  declines amid restrictive legislative environment, training dearth
COSTLY CARATS South African diamond polishers process diamonds at a cost per carat rate that is four times more expensive than that of global competitors

Welding Alloys South Africa

8th June 2018 Wear specialist Welding Alloys South Africa (WASA) and its Mozambique subsidiary KRAM, based in Tete, specialise in the prevention, protection and reduction of wear caused by various mechanisms. All sectors of industry experience wear and the accompanying financial consequences to protect plant... 

Welding Alloys South Africa

Diamond industry longevity on the line

By: Paige Müller     8th June 2018 The implementation of enabling mining policies by government is key in safeguarding the South African diamond industry from further decline and a worrying contraction, says Global Diamond Network consultant and industry heavyweight Dr John Bristow. Bristow states that the local diamond mining... 

Diamond industry longevity on the line
DIAMONDS IN THE ROUGH High quality rough gemstone diamonds mined from an alluvial diamond deposit in Northern Cape province

Canadian junior mining company makes progress in Northern Cape

15th December 2017 Canadian junior mining company Tango Mining has made progress at its Oena diamond project, based in the Northern Cape in South Africa, appointing diamond recovery company Bluedust 7 as its mining contractor, which it announced in October. The contract will take place for a 60-month period, during... 

Canadian junior mining company makes progress in Northern Cape
EXPLORATION ACTIVITIES The Oena diamond mine will see the mining of alluvial diamonds over a 60-month period

Eighth high-value Angolan diamond discovered

15th December 2017 Australian diamond mining and exploration company Lucapa Diamonds’ Lulo mine, in Angola, delivered pleasing diamond recoveries in November, on the back of the eighth discovery larger than 100 ct at the mine, reinforcing a strong performance from its operations in October, states MD Stephen... 

Eighth high-value Angolan  diamond discovered
LUCAPA PRIDE The Type IIa-D diamond was discovered in Angola last month

Initial mining programme expected to start next year

15th December 2017 Marine and land-based mining company Diamond Fields International has reaffirmed its commitment to its Namibian operations, announcing at the start of November an initial mining programme for its ML111 licence in offshore Namibia in 2018.  The initial mining programme for the licence area will... 

Initial mining programme expected to start next year
YO TOIVO The vessel is designed to provide efficient and effective mining of diamonds on the seafloor

Lesotho mine delivers another high-value diamond

15th December 2017 Global diamond producer Gem Diamonds’ Letšeng diamond mine in Lesotho yielded a high-quality 202 ct Type IIa-D colour, the seventh diamond over 100 ct to be recovered this year. The announcement marks the seventh diamond of over 100 ct to be recovered in 2017 from Letšeng. The mine, it is... 

Lesotho mine delivers  another high-value diamond
PICTURE PERFECT The Letšeng mine, located in Lesotho, which is claimed ot be the highest dollar-per-carat kimberlite diamond mine in the world

Underground mine plans for Karowe moving forward

15th December 2017 The results of a preliminary economic assessment (PEA) announced by diamond miner Lucara Diamonds in November demonstrate the potential economic viability for the development of an underground mine at Karowe, in Botswana. The development of the underground mine is planned after the completion of... 

Underground mine plans for Karowe moving forward
KAROWE OPENPIT The Karowe mine located in Botswana has valuable resources located underground

Welding Alloys South Africa

4th July 2017 To lead the market in engineered wear protection solutions and flux cored welding wire technology, Welding Alloys South Africa (WASA) is focused on responding to its customers’ needs. Part of the Welding Alloys group, which covers more than 150 countries through a network of 30 subsidiaries... 

Welding Alloys South Africa

Modern exploration tech to revive local diamond mining

By: Robyn Wilkinson     9th June 2017 With the application of third-generation exploration technologies, South Africa may prove to be the next diamond exploration frontier, says diamond explorer Botswana Diamonds MD James Campbell. 

Modern exploration tech to revive local diamond mining
REVISITING KEY LOCATIONS The first phase of drilling at Frischgewaagt, an eastward extension of the mined-out Marsfontein kimberlite pipe in Limpopo, was completed in April

Africa ramping up diamond exploration

By: Robyn Wilkinson     9th June 2017 As exploration activity in the African diamond mining industry resurges in expectation of a supply shortfall in the next five to eight years, mining consultant The MSA Group is preparing its facilities to meet a growth in demand for its services. 

Africa ramping up diamond exploration
GROUNDWORK ESSENTIAL As a first-stage evaluation of diamond grade, micro-diamond analysis can prevent significant expenditure on the bulk sampling of non- or subeconomic kimberlite

New mine design focused on realising business excellence

By: Robyn Wilkinson     9th June 2017 Johannesburg-based project management and engineering company Paradigm Project Management (PPM) will apply its “three halves” philosophy to design and develop diamond producer Stellar Diamonds’ Tongo-Tonguma project, in Sierra Leone. 

New mine design focused on realising business excellence
Photo by Duane Daws
RADICAL REVIEW NECESSARY With a diamond supply shortfall looming, exploration companies must employ innovative planning to obtain funding for new projects

Difficult drilling proves rewarding at Koffiefontein

By: Robyn Wilkinson     16th December 2016 Diamond producer Petra Diamonds’ geological team has gained access to the kimberlite deposit between the 60 m level and 72 m level at its Koffiefontein project, in the Free State, owing to diamond drilling services provider Lesedi Drilling and Mining Contracting Company’s assistance in... 

Difficult drilling proves  rewarding at Koffiefontein
PRODUCTIVITY LIFTED Production at Petra Diamonds’ Koffiefontein project increased by 37% this year, as the result of more run-of-mine tonnage being treate

Junior miner to complete facility expansions this year

By: Robyn Wilkinson     16th December 2016 All of the facility expansions under way at the Krone-Endora project, in Limpopo, are on track for completion by the end of the year, says Canadian junior mining company Diamcor Mining CEO Dean Taylor. 

Junior miner to complete facility expansions this year
DEAN TAYLOR The current upgrades under way should address all optimisation opportunities identified by past testing and commissioning exercises at Krone-Endora

‘Exciting prospect’ awaits decision

By: Robyn Wilkinson     16th December 2016 Diamond explorer and project developer Botswana Diamonds is in discussions with its joint venture (JV) partner, Botswana State-owned copper and nickel producer BCL, to undertake essential verification drilling on a cluster of diamond-bearing kimberlite pipes at the Maibwe exploration project in... 

‘Exciting prospect’  awaits decision
JOHN TEELING There are currently powerful fundamentals driving the international diamond market, with analysts predicting a diamond supply deficit in future

JV plant to process Kimberley underground ore by H2 2017

By: Robyn Wilkinson     16th December 2016 Diamond miner Petra Diamonds expects all ore from its Kimberley underground operation to be processed through the combined treatment plant associated with its Kimberley Ekapa Mining (KEM) joint venture (JV) from the second half of fiscal year 2017 onwards. 

JV plant to process Kimberley underground ore by H2 2017
POSITIVE SIGNS Global diamond supply remains tight while demand from the US has been stable, with growth in emerging markets detected

Bulk of Cullinan C-Cut Phase 1 nears completion

By: Robyn Wilkinson     16th December 2016 Mining services company Murray & Roberts Cementation will complete its contract at diamond miner Petra Diamonds’ Gauteng-based Cullinan mine this month, concluding the largest portion of the R4-billion Phase 1 expansion project that will initially extend the diamond mine’s life span by about 15 year 

Bulk of Cullinan C-Cut Phase 1 nears completion
DELICATE OPERATION Detailed planning was undertaken to deepen the shafts at the Cullinan C-Cut project without disrupting the existing infrastructure and operations

DG Lab Services

23rd September 2016 This knowledge and experience also encompasses testwork capabilities envisioned for future expansion. 

DG Lab Services

Industry growth in hands of junior explorers

By: Kimberley Smuts     29th July 2016 Diamond exploration enquiries received by mining industry consultancy The MSA Group from small players in Botswana, Lesotho and the Free State have increased considerably since May this year. This includes greenfield kimberlite indicator mineral testing, alluvial diamond mineral resource... 

Industry growth in hands of  junior explorers
NEED FOR NEW PROJECTS The diamond industry urgently needs to find new mines, as the supply-demand gap will widen from 2019 onwards and, consequently, drive price increases

Large-diameter drilling at Orapa project may start at year-end

By: Kimberley Smuts     29th July 2016 Exploration company Tsodilo Resources aims to extract between 2 000 t and 3 000 t of kimberlite from BK16, potentially one of the last economic kimberlite pipes in the Orapa kimberlite province in Botswana, during a large-diameter drilling (LDD) programme in the fourth quarter of the year. The... 

Large-diameter drilling at Orapa project may start at year-end
BETTER TREATMENT The dense medium seperator plantat Tsodilo's Orapa project is scheduled for an upgrade in the third quarter of this year

Project targets millennial diamond consumers

By: Kimberley Smuts     29th July 2016 International diamond mining organisation the Diamond Producers Association (DPA) is working on a project aimed at tackling the generic marketing of diamonds to attract standard and millennial consumers, otherwise known as the ‘Y’ generation. Rough and polished diamonds trader Blom Diamonds owner... 

Project targets millennial diamond consumers
Photo by Bloomberg
MARKETING MATTERS The diamond industry is undertaking the first catefory marketing campaign in over five years

Sorters prove worth to industry

3rd June 2016 A joint venture between mining and minerals processing engineering specialist IMS Engineering and German separation technology company Steinert has borne fruitful with the introduction of Steinert’s X-ray transmission (XRT) sorters in use in the diamond mining industry. Two of the sorters have... 

Sorters prove  worth to industry
DIAMOND ADVANTAGE The XRT sorter remains important in diamond recovery technology as its main advantage remains that the ion detects different X-ray absorption levels of different material types

Venetia takes safe approach to building major underground operation

By: Simon Sonnekus     3rd June 2016 Anticipating and prioritising the additional challenges and potential hazards of implementing underground mining operations at the Venetia diamond mine requires putting the necessary enablers and precautions in place over the next few years. “It is a massive operation in logistics and cooperation... 

Venetia takes safe approach to building major underground operation
OPENPIT TO UNDERGROUND Production from the underground development is expected in 2022 and the current plant will treat about 132-million tons of material, containing an estimated 94-million carats
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