Diamonds - Crystalinks

The popularity of diamonds has risen since the 19th century because of ... Well-known South African diamond mines are the Dutoitspan, Bultfontein, De ... In the 20th century, experts in gemology developed methods of grading diamonds .... During the mine's previous operations, the average size of stones was 1.14 carats.

Full text of "Working For Diamonds" - Internet Archive

WORKING FOR DIAMONDS FROM THE l6TH TO THE 20TH CENTURY 21 of the ... his findings about 23 mines in the Golconda sultanate and 15 mines in the ...... in the early modern period, and from one mine to the other in the 19th century.

History of South Africa - Key Figures in South Africa's history - From ...

During the first 150 years of European control of the Cape, the company, ... The discovery of minerals in the late nineteenth century--diamonds in 1867 and gold in ... Diamond and, in particular, gold mining industries required vast amounts of ... In short, many of the discriminatory features so typical of twentieth-century South...

Diamond History and Lore - GIA

In the first century AD, the Roman naturalist Pliny stated: “Diamond is the most ... By 1900, De Beers, through its mines in South Africa, controlled an estimated 90 ... there was not much scientific knowledge about it before the twentieth century.

South Africa - Gold and Diamonds - Country Studies

By the mid-twentieth century, South Africa was the world's largest producer or second largest ... During 1994 all major gold mining houses except Johannesburg...

South Africa in the 19th Century - West Chester University's

Go to the syllabus, or the readings on East Africa in the 19th century and the ... During the Napoleonic Wars, the administration of Cape Colony changed. ... who had become wealthy in the diamond mines invested their profits in gold-mining.

De Beers to sell historic Kimberley Mine – World Finance

May 22, 2015 ... Diamond company's last mine in the 19th century diamond-rush town goes up for sale ... last remaining diamond producing asset in the Kimberley Mines, in order ... The Kimberley Mines, at their peak in the early 20th century,...

Who really controls Africa's 'blood-diamond' trade? - Workers World

Aug 11, 2010 ... During the late 1990s South African President Nelson Mandela helped ... Liberia is a major producer of diamonds, but the mining and marketing of ... can be traced back to the late 18th and early 19th centuries when Britain and ... By the early 20th century, Liberia had received less than one-third of the loan...

Brief History of Ontario Mining | Republic of Mining

Jul 23, 2010 ... Fortunately, in the late 18th and early 19th century major advances .... prospecting and mining in Ontario during most of the 20th century ..... began to diamond drill the Kidd Creek airborne survey anomaly in the Timmins area.

500 years of mining in Brazil: A brief review (PDF Download Available)

wealth to the Portuguese crown during the 18th century and part of the next. As the alluvial ... As the population grew and the country started its industrialization process in the 20th century,. the mining .... 50% of. the world production of gold and diamond, promoting ... years of the 19th century rubber production started in.

Little Cities of Black Diamonds | Telling the Story of the coal towns of ...

The Little Cities of Black Diamonds Council joins with Ohio's Hill Country Heritage Area, ... the Ohio River into Ohio's Hill Country throughout the 19th and 20th Century. ... and an accidental social experiment during the coal boom era at Rendville ... miners and their families in the Little Cities of Black Diamonds community ...

Mining History Technologies and Resources Articles | TechnoMine

TIMELINE: Birth and development of the diamond mining industry ... At any moment, it seems, a 19th century coal mine shaft could cave in .... Since the beginning of the 20th century, thousands of Americans have been killed in mining accidents. .... During his reign the emperor Justinian has spent over 314 tonnes of gold.

IHS Child Slave Labor News :: Diamonds Are Forever, But Not The ...

Mines in South Africa and India are notorious locations of various ... This corporation was founded in 1880 but it was not until the 20th century did they ... Before the end of the 19th century came, a large diamond rush started in South Africa.

Mining - Latin American Studies - Oxford Bibliographies

Oct 28, 2011 ... During colonial times, Peru (including what would also become modern Bolivia) ... where in the 1690s explorers found gold and three decades later diamonds. In the first quarter of the 19th century, Latin America gained its .... history of mining; and Herrera Canales 1998, on 20th-century Mexican mining.

Mining industry of South Africa

Mining in South Africa has been the main driving force behind the history and development of Africa's most advanced and richest economy, after Nigeria. Large scale and profitable mining started ...

South African Diamond Mines - The History Project - University of ...

How did the discovery of diamond mines contribute to the "Scramble for Africa" in the late 19th Century? What were the working conditions like for the native...

diamond Facts, information, pictures | Encyclopedia.com articles ...

During the Middle Ages, the diamond was overshadowed by some of the more ... In the 20th century, an American mine near Murfreesboro, Arkansas, was open .... in diamond manufacturing developed in South Africa in the late 19th century.

A century of migrant labour in the gold mines of South Africa - SAIMM

Gold miners, like diamond miners, were ... have for the whole of the twentieth century fallen into .... John Lang's authoritative history of The Chamber of Mines in.

History of South Africa, Industrialization and Imperialism, 1870-1910

The diamond industry became the key to the economic fortunes of the Cape Colony ... Africans had mined gold for centuries at Mapungubwe (in South Africa, on the ... This law, the foundation of the twentieth-century South African pass laws,...

Studio news « Bespoke Designer Jewellery | Polly Wales

Miner's cut diamonds (also known as old mine cut, or old miner cut) are antique ... by craftsmen from the diamond mines in India during the 19th century. ... being named after a film, music or fashion icon from the early 20th century.