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African Minerals - crystals.co.za This site is dedicated to African minerals and crystals especialy those from Namibia. Hits:178 Comments Details |
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The Colorado Desert's The Black Agate Thunderegg Mine, located in California’s Colorado Desert, gained fame in the mid-1980s when a number of its outstandingly beautiful nodules and geodes were displayed at several of the large rock and mineral shows in Quartzsite, Arizona, in 1986. By then, though, it had been known for decades. A visitor in the mid-1950s, basing his conclusion on the age of discarded automobile parts he found scattered about, decided that it must have been discovered sometime in the 1930s – probably the late 1930s. Exactly who discovered it first, and when, remains uncertain. Hits:137 Comments Details |
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Aventurine Engineering, Inc. Aventurine Engineering, Inc., designs and produces software used by cost estimators in the minerals industry. Aventurine's Chief Engineer, Mr. Scott Stebbins, has developed computer programs designed to estimate the costs associated with underground, surface, and placer mines and has recently released a program specifically for estimating the costs of reclaiming mine sites. Ultimately, Aventurine plans to offer a complete suite of software packages designed to estimate the costs, identify the risks, and quantify the economic potentials of a variety of accepted mining, mineral processing, and reclamation procedures. Hits:114 Comments Details |
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Stillwater Mining Company Stillwater Mining Company is engaged in the development, extraction, processing, smelting, refining, and marketing of palladium, platinum and associated metals from a geological formation in southern Montana known as the J-M Reef. This is the only know significant source of platinum group metals in the United States and one of the significant resources outside Russia and South Africa. Stillwater Mining Company’s corporate office is located in Billings, Montana. Hits:100 Comments Details |
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Rio Tinto Diamonds Gem diamonds share the podium with gold as a luxury commodity, principally in diamond rings to mark engagements and the special anniversaries of life, and in jewellery. Industrial diamonds have an important role as abrasives in sanding discs, circular saws and other machining processes. Rio Tinto has established a firm base for growth in the world diamond industry by creating a market niche for smaller gems. This is an example of how customer focus has added value through the company working with buyers to give buyers the products they want. Hits:40 Comments Details |
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BHP Billiton plc Diamonds & Specialty Products The cornerstone of BHP Billiton’s Diamonds business is the EKATI Diamond Mine, of which we own 80 per cent. EKATI is located in the Canada’s Northwest Territories and produces approximately three million carats of rough diamonds annually. Annual sales from EKATI (including minority shares) represent around three per cent of current world rough diamond supply by weight and five per cent by value. We sell most of our rough diamonds to international diamond buyers through our Antwerp sales office. We sell up to 10 per cent of our rough diamonds to two Canadian manufacturers, and we sell both polished and rough diamonds directly to jewellers. We sell polished diamonds, manufactured through contract polishing arrangements, through our CanadaMark™ and AURIAS ™ brands. Hits:38 Comments Details |
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Stornoway Diamond Corporation Stornoway holds varying interests in a number of diamond properties and prospects in North America, as well as significant regional geological, geochemical and geophysical databases. In order to ensure that the company's growth strategy is fulfilled it is Stornoway's intention to review these properties and databases to maintain a portfolio of promising diamond projects that will fill the ‘pipeline' from grassroots to development. Hits:38 Comments Details |
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Peregrine Diamonds Ltd. Peregrine Diamonds Ltd. ("Peregrine" or "the Company") is focused on diamond exploration and development in Canada. Since 2007, the Company has discovered two new Canadian diamond districts, Chidliak on southern Baffin Island and Nanuq in the eastern Arctic region, 250 kilometres north of Rankin Inlet. Both of these districts have great potential to add value to the company through further exploration. At Chidliak, Peregrine has discovered 16 kimberlites, after only one season of drilling, fifteen of which are diamondiferous. Three kimberlites at Chidliak, CH-1, CH-6 and CH-7, display characteristics consistent with economic potential in arctic settings. An additional four kimberlites, CH-2, CH-3, CH-10 and CH-12 have promising coarse diamond size distributions and warrant further work. A budget of $13.5 million has been approved for the 2010 Chidliak exploration programme. Scheduled work will include: drilling, mini-bulk sampling, airborne and ground geophysics and prospecting. At Nanuq, diamondiferous kimberlites were discovered at each of the three anomalies drilled in 2007. Hits:37 Comments Details |
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Anglo American plc Diamonds Anglo American owns 45% of De Beers, the world's leading diamond business. De Beers has expertise in exploration, mining and marketing of diamonds. With its joint venture partners operates in more than 20 countries across five continents, De Beers produces around 40% of the world’s rough diamonds by value from its mines in Botswana, Canada, Namibia and South Africa. Hits:35 Comments Details |
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Firestone Diamonds plc Firestone Diamonds plc is a UK-based international diamond mining and exploration company with operations in Botswana and South Africa. Firestone's key competitive advantage is its highly prospective portfolio of exploration and development projects in Botswana, which is the world's largest and lowest cost producer of diamonds. The company is the largest holder of exploration rights around the major Orapa and Jwaneng mines, and controls the entire Tsabong kimberlite field, which is one of the largest diamondiferous kimberlite fields in the world. Hits:34 Comments Details |
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Petra Diamonds Ltd. Petra Diamonds is a leading supplier of rough diamonds. A number of acquisitions have established Petra as one of the world’s largest independent diamond groups by resources, with a total resource base of 262 million carats. Petra has seen its annual production rise fivefold in the year to June 2009 to over 1 million carats and the Company’s objective is to continue to increase supply and develop its stature as a world-class diamond group. Hits:33 Comments Details |
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Harry Winston Diamond Corporation Harry Winston Diamond Corporation is a specialist diamond enterprise with premium assets in the mining and retail segments of the diamond industry. The Company supplies rough diamonds to the global market from its 40% interest in the Diavik Diamond Mine, located in Canada’s Northwest Territories. The Company’s retail division, Harry Winston Inc., is a premier diamond jeweler and luxury timepiece retailer with salons in key locations including New York, Paris, London, Beijing, Tokyo and Beverly Hills. Hits:23 Comments Details |