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Venetia Diamond Mine
The Venetia Diamond Mine is South Africa's largest producer of diamonds, since 1995. It is situated close to the South African town of Alldays in the Limpopo province and is located within the 360 km2 Venetia Limpopo Nature Reserve. The open cast mine is one of De Beers’ six remaining diamond mines in South Africa and the only major diamond mine to be developed in the country during the past 25 years. As such, the mine represents one of De Beers’ single biggest investments in South Africa. The mine was opened in 1992 by Harry Oppenheimer, a former De Beers chairman. In 2004 the mine had 955 employees and recovered 7,187,300 carats (1437.5 kg) of diamonds from 5,871,000 metric tons of ore Ore is natural rock or sediment that contains one or more valuable minerals, typically including metals, concentrated above background levels, and that is economically viable to mine and process. The grade of ore refers to the concentration ....In 2021 the mine will cease i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic Ocean, South Atlantic and Indian Ocean; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; to the east and northeast by Mozambique and Eswatini; and it encloses Lesotho. Covering an area of , the country has Demographics of South Africa, a population of over 64 million people. Pretoria is the administrative capital, while Cape Town, as the seat of Parliament of South Africa, Parliament, is the legislative capital, and Bloemfontein is regarded as the judicial capital. The largest, most populous city is Johannesburg, followed by Cape Town and Durban. Cradle of Humankind, Archaeological findings suggest that various hominid species existed in South Africa about 2.5 million years ago, and modern humans inhabited the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diamond
Diamond is a Allotropes of carbon, solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water. Another solid form of carbon known as graphite is the Chemical stability, chemically stable form of carbon at Standard temperature and pressure, room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions. Diamond has the highest Scratch hardness, hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of lattice defect, defects or impurities (about one per million of lattice atoms) can color ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alldays, South Africa
Alldays is a small town in the Limpopo province of South Africa that serves a large area of private game and hunting farms. It has a population of 2,987. The Venetia Diamond Mine is situated close to Alldays, located within the 360 square kilometre Venetia Limpopo Nature Reserve. It is one of De Beers’ six remaining diamond mines in South Africa and the only major diamond mine to be developed in the country during the past 25 years. Citrus farming on the banks of the Limpopo River is an important economic activity in the district. The area of is known for its arid bushveld and Mopane bush. Several large game farms are located around Alldays, many of which are known as trophy hunting destinations. The hunting practices carried out at an Alldays game farm sparked significant public outcry in September 2015; however, the Limpopo environmental department found the farm to be compliant with South African hunting legislation. The town is served by the Alldays Airport.. DAFIF The Dig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limpopo Province
Limpopo () is the northernmost province of South Africa. It is named after the Limpopo River, which forms the province's western and northern borders. The term Limpopo is derived from Rivombo (Livombo/Lebombo), a group of Tsonga settlers led by Hosi Rivombo who settled in the mountainous vicinity and named the area after their leader. The Lebombo mountains are also named after them. The river has been called the Vhembe by local Venda communities of the area. The capital and largest city in the province is Polokwane, while the provincial legislature is situated in Lebowakgomo. The province is made up of three former Bantustans of Lebowa, Gazankulu and Venda and part of the former Transvaal province. The Limpopo province was established as one of nine provinces after the 1994 South African general election. The province's name was first "Northern Transvaal", later changed to "Northern Province" on 28 June 1995, with two other provinces. The name was later changed aga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Venetia Limpopo Nature Reserve
, embedded={{Location map , South Africa#South Africa Limpopo , relief=1 , width=300 , coordinates={{coord, 22.3807, S, 29.2907, E, region:ZA-LP, format=dms, display=inline,title, map_caption={{leftlegend, #1e5833, Venetia Limpopo Nature Reserve {{leftlegend, #f5871f, Venetia Diamond Mine The Venetia Limpopo Nature Reserve is situated in the northernmost parts of South Africa, and is owned by the De Beers Diamond Mining Company - the mine itself is actually within the confines of the reserve. The reserve is approximately 33,000 ha in size, and is characterised by the dominant mopane (''Colophospermum mopane'') veld-type. Whilst scenic, the area is very hot — summer temperatures regularly pass the 40 degrees Celsius mark. The reserve is home to three of the big five (lion, elephant and leopard — but not rhino and buffalo). There was a population of African wild dog in the park which were part of a research project of the Carnivore Conservation Group, a branch of the End ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
De Beers
The De Beers Group is a South African–British corporation that specializes in the diamond industry, including mining, exploitation, retail, inscription, grading, trading and industrial diamond manufacturing. The company is active in open-pit, underground, large-scale alluvial and coastal mining. It operates in 35 countries, with mining taking place in Botswana, Namibia, South Africa, and Canada. It also has an artisanal mining business, Gemfair, which operates in Sierra Leone. From its inception in 1888 until the start of the 21st century, De Beers controlled 80% to 85% of rough diamond distribution and was considered a monopoly. By 2000, the company's control of the world diamond supply decreased to 63%. The company was founded in 1888 by British businessman Cecil Rhodes, who was financed by the South African diamond magnate Alfred Beit and the London-based N M Rothschild & Sons bank. In 1926, Ernest Oppenheimer, a German immigrant to Britain and later South Africa who ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harry Oppenheimer
Harry Frederick Oppenheimer OMSG (28 October 1908 – 19 August 2000) was a prominent South African businessman, industrialist and philanthropist. Oppenheimer was often ranked as one of the wealthiest people in the world, and was considered South Africa's foremost industrialist for four decades. In 2004 he was voted 60th in the SABC3's Great South Africans. Early life and education He was born in Kimberley, on 28 October 1908 to Jewish parents, May (née Pollak; 1886–1934), and Ernest Oppenheimer (1880 -1957). His paternal grandparents and maternal grandmother were German Jews, whereas his maternal grandfather was Czech Jewish from Mikulov.His parents married in London in a Jewish ceremony in the Reform tradition. His '' Brit Milah'' was performed by Rabbi Harris Isaacs of the Griqualand West Jewish Congregation.Feinberg, Tali (29 June 2023)Oppenheimer’s Jewish facet shines brightly''The South African Jewish Report''. Retrieved on 11 February 2025 He spent his first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carat (unit)
The carat (ct) is a unit of mass equal to , which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Conference on Weights and Measures, and soon afterwards in many countries around the world. The carat is divisible into 100 ''points'' of 2 mg. Other subdivisions, and slightly different mass values, have been used in the past in different locations. In terms of diamonds, a paragon is a flawless stone of at least 100 carats (20 g). The ANSI X.12 EDI standard abbreviation for the carat is CD. Etymology First attested in English in the mid-15th century, the word ''carat'' comes from Italian ''carato'', which comes from Arabic (''qīrāṭ''; قيراط), in turn borrowed from Greek ''kerátion'' κεράτιον ' carob seed', a diminutive of ''keras'' 'horn'. It was a unit of weight, equal to 1/1728 (1/12) of a pound (see Mina (unit)). History Carob seeds have bee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metric Ton
The tonne ( or ; symbol: t) is a unit of mass equal to 1,000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the short ton (United States customary units) and the long ton ( British imperial units). It is equivalent to approximately 2,204.6 pounds, 1.102 short tons, and 0.984 long tons. The official SI unit is the megagram (Mg), a less common way to express the same amount. Symbol and abbreviations The BIPM symbol for the tonne is t, adopted at the same time as the unit in 1879.Table 6 . BIPM. Retrieved on 2011-07-10. Its use is also official for the metric ton in the United States, having been adopted by the United States |
Diamond Mines In South Africa
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions. Diamond has the highest hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of defects or impurities (about one per million of lattice atoms) can color a diamond blue (boron), yellow (nitrogen), brown (defects), green (radiation exposure), purple, pink, oran ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surface Mines In South Africa
A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object or space. It is the portion or region of the object that can first be perceived by an observer using the senses of sight and touch, and is the portion with which other materials first interact. The surface of an object is more than "a mere geometric solid", but is "filled with, spread over by, or suffused with perceivable qualities such as color and warmth". The concept of surface has been abstracted and formalized in mathematics, specifically in geometry. Depending on the properties on which the emphasis is given, there are several inequivalent such formalizations that are all called ''surface'', sometimes with a qualifier such as algebraic surface, smooth surface or fractal surface. The concept of surface and its mathematical abstractions are both widely used in physics, engineering, computer graphics, and many other disciplines, primarily in representing the surfaces of ph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
