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Diamonds

216 ct white diamond recovered in Lesotho

8th June 2007 A 216 ct white D colour flawless diamond - bar a small peripheral gletz, a small naturally formed plane in a diamond - was found at the Letseng diamond mine in Lesotho by Gem Diamonds. This follows shortly after the recovery of the Lesotho Promise, a 603 ct white diamond recovered in August 2006. 

Engineering firm makes its mark on SA diamond projects

By: Shannon de Ryhove     8th June 2007 The diamond division of Bateman Engineering, Bateman Diamonds, has recently been involved in the De Beers South African Sea Areas (Sasa) project, in partnership with De Beers Consolidated Mines and represented by De Beers Marine. 

Diamonds around the world

By: Shannon de Ryhove     8th June 2007 Rough diamonds are currently mined in 25 countries and on every continent except Europe and Antarctica, from openpit, underground and offshore sites Creamer Media�s Research Channel reports in its diamond research report in 2006. 

Kimberly Process commitment reconfirmed

8th June 2007 The World Diamond Council (WDC) held its annual meeting in May, this year. The meeting of over 100 participants provided a unique opportunity to review the work of the past year, while determining how the WDC and the industry will continue to tackle the issue of conflict diamonds. The meeting... 

Regulatory framework begins to prove effectiveness

By: Shannon de Ryhove     8th June 2007 The Kimberley Process is a United Nations authorised system which was implemented in 2003 to control the movement of conflict diamonds. 

Local DMS plants set sail for the Arctic circle

8th June 2007 Local company DRA Mineral Projects received a $2-million order last year from the Russian diamond miner Alrosa for three modular dense medium separater (DMS) plants for alluvial mining operations in the Yakutia province in northern Siberia, near the Anabar river. 

Junior diamond companies make the cut

By: Shannon de Ryhove     8th June 2007 While De Beers may be the mining giant of the diamond industry, many junior diamond mines have recently come into the picture. These junior resource explorers have made headway in the industry, with mining companies hurrying to find new deposits to meet the soaring demand. Mining Weekly... 

Absorb illegal miners, Oppenheimer urges

12th March 2007 Diamond giant De Beers chairperson Nicky Oppenheimer warned the diamond industry on Monday that it should be vigilant in upholding its image, as one “thoughtless or wilful” action could impact negatively on the entire supply chain, from the mine to the retail outlet. 

Kimberlite discovery at Tsabong project, Botswana

2nd March 2007 Seven kimberlites have been discovered by Firestone Diamonds plc at the Tsabong project in Botswana since exploration began at the end of last year. 

Local firm clinches Botswana contract

9th June 2006 South AFrican firm B&W Instrumentation and Electrical has secured a R5,67-million contract at Debswana's Damtshaa Diamond Mine near Orapa in Botswana. 

SA-designed drum boasts 99% recovery rate

9th June 2006 Diamond-recovery-equipment manufacturer Oblique Engineering, a long-time customer of fluid and lubrication solution specialist FloSolve, has revolutionised the diamond liberation industry by developing and patenting a state-of-the-art exportable grease drum, of which Graco pump technology is a... 

R80m diamond lab reaches completion

9th June 2006 DRA Mineral Projects is currently engaged in the construction of the De Beers’ Group Exploration Macro Diamond Laboratory (GEMDL) STAR facility at the diamond giant’s corporate headquarters in Johannesburg. 

Complex relocation logistics project completed

9th June 2006 Vanguard’s relocation, rigging and installation expertise, as well as its ability to manage the forwarding of plant and equipment destined for the African continent, from virtually anywhere in the world, were displayed when the company relocated six 130 t presses from Robertsfors in Sweden... 

DME reports ‘good response’ to beneficiation call

By: Dennis Ndaba     9th June 2006 The Department of Minerals and Energy’s (DME) call for expressions of interest by local and international investors interested in beneficiating diamonds and precious metals in South Africa has received a good response, DME Beneficiation Economics director Sindiswa Gaven tells Mining Weekly... 

New diamond discoveries reported in Gabon

9th June 2006 Southern Era Diamonds reported that micro-diamond testing of kimberlitic bodies discovered in Gabon, Central Africa has commenced and that seven new kimberlitic bodies within its diamond exploration permit areas have been discovered. 

Angola gem-mine confirms fleet delivery

9th June 2006 Xceldiam, the Angolan diamond exploration and mining company, with its operations focused on alluvial and kimberlite exploration on the Luangue Concession in North East Angola, announce a further update on its alluvial exploration programme. 

‘Encouraging’ results from Sierra Leone concession

9th June 2006 UK-based River Diamonds has announced that it has received encouraging results from two mini bulk samples carried out by the company at the Panguma joint venture with African Precious Minerals, in Sierra Leone. 

Urgent advances needed in gem-recovery technology

9th June 2006 Diamond-mining recovery efficiency is often low because mining methods have been driven by politics rather than proper research and development, thus hampering the advancement of diamond mining, Danoczi Solution technology consultant Jane Danoczi tells Mining Weekly. 

All systems go for SA’s newest diamond explorers

By: Dennis Ndaba     9th June 2006 JSE-listed diamond exploration and mining company Diamond Core Resources has completed a R230-million capital raising, the company reports. The objectives of the Diamond Core group of companies are to conduct systematic greenfields diamond exploration programmes, as well as to bring to... 

New record for South African diamond production

9th June 2006 South Africa’s diamond production reached a new record level of 15,8-million carats in 2005, Department of Minerals and Energy’s Minerals Bureau Bulletin reports in its latest edition. 

Centre of diamond gravity moving from London to Botswana

By: Nelendhre Moodley     9th June 2006 Diamond giant De Beers is to fund the construction of the new $83-million diamond trading company (DTC) building in Botswana, which signals the shift of the centre of gravity for global diamond trading from London to Botswana, it announced late last month. 

Diamond junior erects SA-sourced treatment plant in Angola

By: Nelendhre Moodley     9th June 2006 A mining junior active in Africa has begun to erect a new South African-sourced diamond plant in Angola, Mining Weekly Online can report. The operations of exploration and mining company Xceldiam Limited, which is listed on the London Stock Exchange’s Alternative Investment Market (Aim),... 

Making the most of SA’s mineral wealth

By: Dennis Ndaba     9th June 2006 “Kimberley is internationally recognised for its contribution to diamond production, but the community suffered when the once lucrative mines were decommissioned because of low quantities of diamonds and inaccessible deposits,” said the then Minister of Minerals and Energy Lindiwe... 

‘Distinguish between small and large miners when setting targets’

By: Dennis Ndaba     9th June 2006 Diamond-mining group Petra Diamonds understands and support the government’s objectives with new legislation in South Africa, but hope that, in setting the royalties, export duties and regulations the government will take into account the small and medium producers that do not have the... 

Sampling-plant producer reports bulging order book

9th June 2006 With increasing market demand buoying diamond prices, prospecting for primary kimberlite deposits has accelerated in 2006, which has resulted in ADP receiving orders from De Beers, Rio Tinto and ATS (BHPB subsidiary) for fully-integrated sampling plants. 

R115m upgrade for Namibia treatment plant

9th June 2006 Diamond producer Namdeb has awarded Bateman Engineering a R115-million contract to upgrade an existing diamond-treatment facility in Oranjemund on the west coast of Namibia to retreat tailings-dump material. 

Recovery plant delivered to NW mine

9th June 2006 Bateman Engineering has designed and supplied a grease-belt final diamond-recovery plant to Sonop Delwery between Christiana and Bloemhof in the Northwest Province, South Africa. 

Data shortage seen as investment deterrent

9th June 2006 Projects IQ is a provider of dynamic market intelligence for the African mining industry. This is of especial importance when considering that Africa accounts for one fifth of the world's total mineral resources and is responsible for almost half the world's diamond production. 

SA engineering firm in Botswana gem project

By: Nicola Mawson     9th June 2006 AltX-listed engineering company Esor has announced that it has several new projects in the pipeline, one of which is on a diamond mine in Botswana. 

New grease belt for diamond recovery

By: Dennis Ndaba     9th June 2006 Local company and forerunner in the latest grease recovery technology, Oblique Engineering has recently added a new member to its product family: the GB400, which is a counter flow rotating grease belt used in the recovery of diamonds. 

South African operations underpin Petra potential

By: andrew lanham     7th October 2005 It has been a long haul for chartered accountant Johan Dippenaar and his colleague, geologist Jim Davidson, from taking over a near-moribund diamond operation near Swartruggens in 1990, to being CEO of a successful mid-tier mining company today. 

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