The Greek phrase "Adamas" which means unconquerable and indestructible is the basis phrase of diamond. Diamonds have been sought the world over, fought over, worshipped and used to forged love spells. The traditional Greeks believed that diamonds have been splinters of stars fallen to the earth. It was stated by some that they have been the tears of the Gods. Additionally they believed the hearth within the diamond mirrored the fixed flame of affection.
The primary river-bed (alluvial) diamonds have been in all probability found in India, in round 800 B.C. The volcanic supply of those diamonds was by no means found, however the alluvial deposits have been wealthy sufficient to provide a lot of the world's diamonds.
For hundreds of years, tough diamonds have been stored as talismans, and sometimes not worn in any respect, although pure octahedral (eight-sided stones) have been typically set in rings. A Hungarian queen's crown set with uncut diamonds, courting from roughly l074, is probably the earliest instance of diamond jewellery. The earliest document of diamond-polishing (with diamond powder) is Indian, and doubtless dates from the fourteenth century. We additionally know that the royalty of France and England wore diamonds by the late 1300's.
In 1477, Archduke Maximilian of Austria gave a diamond ring to Mary of Burgundy, thus, beginning the custom of diamond engagement rings. The rationale a lady wears it on the third finger of her left hand dates again to the Egyptian perception that the vena amoris (vein of affection) ran instantly from the guts to the highest of that finger.
The earliest producing diamond mines have been within the Golconda area of India. Jean Baptiste Tavernier, a Frenchman, is credited with the invention of the primary gemstone within the area in 1627. Mining was well-established by the mid-seventeenth century and a single mine employed 60,000 individuals to dig and carry the alluvial gravels that contained the diamonds.
In 1867, a 21-carat stone found on the banks of the Orange River, South Africa, began an amazing diamond rush. Between 1870 and 1891, a minimum of six kimberlite pipes have been found in Kimberley. The most important pipe in South Africa was found at Cullinan, close to Pretoria , in 1902. The world's largest gem diamond, a three,106 carat stone, was discovered there in 1905.
In 1939 De Beers launched the standards for Diamonds figuring out the gem high quality by a mixture of 4 distinct elements. These are referred to as the 4C's. Minimize, Colour, Carat and Readability (see part on the 4C's)
Within the 1950's, Yakutia, a area of the Soviet Union, started to develop newly found diamond assets. This Siberian diamond subject would make their nation one of many biggest diamond producers of all time.
Within the 1960's, diamond fields have been found in Botswana. The three diamond mines - Orapa, Letlhakane and Jwaneng - make Botswana the world's second-largest producer of diamonds and the most important producer of gem diamonds by each worth and quantity.
In 1991, a diamond-bearing kimberlite pipe was drilled at Lac de Gras, N.W.T., Canada to start the most important land staking rush in Canadian mining historical past. Manufacturing of the BHP/DiaMet pipes started in 1998. Work up to now signifies a number of pipes have gem diamond concentrations and valuations as wealthy as diamond mines in Africa.
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