happy day

Until 1725 Brazil diamond discovery and exploration, make Brazil replaced India, became the most important producer of global diamond.

After 1867, South Africa found alluvial deposits and a large number of native kimberlite tube making South Africa to become the world's most important diamond producer, its yield long-term at the forefront of the world, and thus created the diamond industry in the new era. In 1905, in South Africa 's Asia has discovered the world's largest kimberlite Rock Cylinder - Pu redmile rock cylinder, and then find the largest diamond ( Cooley South diamond ). At present, South Africa has the world's largest production, and most modern Vigny Lydia diamond mine. The South African diamond particles with large, good quality, 50% of the king Shi Jun can be cut, its output is not the country such as Australia, but production has been in the forefront of the world.

Since 1979, Western Australia found that potassium magnesium porphyry containing diamond, to 1986, Australia diamond output already occupied dominant position, but the gem accounted for only 5% of its production. Australian diamonds are mainly distributed in West Australia South Wells bingara and copeton, especially Argyll ( argle ) deposit reserves is 550000000 carat.

Botswana abounds in high quality diamond, gem accounted for 50%, its production value ranks first in the world. Botswana diamond from open pit mining kimberlite, giant mine Orapa rock cylinder (1967 ), letihakena rock cylinder (1977 ) and Jwaneng diamond mine (1982 ), three in total production in 1989 over 15000000 carats.

Russia diamonds are mainly distributed in the central Siberia region of Yakutia, find the area has more than 100 diamond-bearing kimberlite tube, on 1988, near the European Russia near to find new diamond mine. At present, the Russian diamond production in the 12000000 KT, half gem. Over the years, Russia has formed the independent diamond mining processing and sales system, the number of diamonds, excellent quality, good uniformity, on the market with strong competitiveness.

A few years ago reported in northern Canada found that a large number of kimberlite, a few years after the diamond yield can be accounted for 10% of world production.



The world's first diamond mine

In July 16, 1871, adhere to the deep mining base force Fort partnership mining team success, they occupy dozens of square meters of land, have to go digging deep, on this day has finally found their dream of diamond. The world's first diamond mine is born. Named" library Fort mine" also called "the new upsurge of mine".