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The GIA study concluded that "the diamond industry would be better served by considering each individual diamond on its own visual merits." Today, fluorescent natural diamonds are again becoming very desirable with major diamond miners such as the world's largest diamond producer, Alrosa, reminding the industry of the historic desirability and ...
Xử án Bàng Quý Phi, performed by the Phước Cương troupe, c. 1928 The scene of Tự Đức offering the whip in Cải lương. Cải lương originated in Southern Vietnam in the early 20th century and blossomed in the 1930s as a theatre of the middle class during the country's French colonial period.
Main diamond producing countries. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.Diamond as a form of carbon is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water.
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The Centenary Diamond was discovered in the Premier Mine on 17 July 1986 using their X-ray imaging system. The original rough was 599 carats (119.8 g) and it was presented on 11 May 1988 in the Centennial Celebration of the De Beers Consolidated Mines.
Huỳnh Minh Hưng, commonly known by his stage name Đàm Vĩnh Hưng (born 2 October 1971 [citation needed]), often referred to by his nickname Mr. Dam, [citation needed] is a Vietnamese singer.
A <111> surface (normal to the largest diagonal of a cube) of pure diamond has a hardness value of 167±6 GPa when scratched with a nanodiamond tip, while the nanodiamond sample itself has a value of 310 GPa when tested with a nanodiamond tip.
Dome coated with DLC for optical and tribological purposes. A ta-C thin film on silicon (15 mm diameter) exhibiting regions of 40 nm and 80 nm thickness. A Co-alloy valve part from a producing oil well (30 mm diameter), coated on the right side with ta-C, in order to test for added resistance to chemical and abrasive degradation in the working environment.