Wednesday, 14 November, 2018

Where The Rarest Diamonds On Earth Are Formed

Where The Rarest Diamonds On Earth Are Formed

Posted on Sunday, 18 December, 2016Monday, 9 October, 2017 by Zheluo Cai

Where The Rarest Diamonds On Earth Are Formed.

Cullinan I

The most priceless diamonds are the clearest as well, without any impurities in its physical appearance. For example, the Cullinan Diamond, named after the chairman of the mine, Thomas Cullinan, was a large gem-quality diamond weighing 3,106.75 carats (621.35 g) discovered at the Premier No. 2 mine in Cullinan, modern-day South Africa, on 26 January 1905. It was presented to King Edward VII of the United Kingdom for his 66th birthday and cut into several polished gems, the largest of which is named Cullinan I or the Great Star of Africa, and at 530.4 carats (106.08 g) it is the largest clear cut diamond in the world. The second-largest is Cullinan II or the Second Star of Africa; at 317.4 carats (63.48 g) it is the fourth-largest cut diamond in the world, and is mounted in the Imperial State Crown. Both diamonds are part of the Crown Jewels.

Lesotho Promis

The Lesotho Promise, a 603 carat (121 g) diamond stone of exceptional colour was unearthed on 22 August 2006 at the Letseng diamond mine in the mountain kingdom of Lesotho. it is the largest reported find this century and the 15th largest diamond ever found. The stone is rated ‘D’, the top colour band for diamonds. The diamond was sold at an auction on 9 October 2006 in Antwerp, Belgium, for US$12.4 million. In July 2007 the finished stones were unveiled. The largest gem cut from the crystal is a 75 carats (15.0 g) pear-shaped diamond

Read Article Here:

http://www.sciencealert.com/scientists-have-figured-out-where-the-rarest-diamonds-on-the-planet-form

The Ainu, in the historical Japanese texts the Ezo, are an indigenous people of Japan (Hokkaido, and formerly northeastern Honshu) and Russia (Sakhalin, the Kuril Islands, and formerly the Kamchatka Peninsula). On June 6, 2008, the Japanese Diet passed a bipartisan, non-binding resolution calling upon the government to recognize the Ainu people as indigenous to Japan, and urging an end to discrimination against the group. Recent research suggests that the historical Ainu culture originated in a merger of the Okhotsk culture with the Satsumon, one of the ancient archaeological cultures that are considered to have derived from the Jōmon-period cultures of the Japanese archipelago. The Ainu economy was based on farming, as well as on hunting, fishing and gathering.

The Once and Future Stars of Andromeda.
Credit and Copyright: ESA/Herschel/ PACS/SPIRE/J.Fritz(U.Gent) / XMM-Newton/EPIC/W.Pietsch(MPE). The Andromeda Galaxy, aka M31, is a spiral galaxy a mere 2.5 million light-years away. In reddish hues, image data from the large Herschel infrared observatory traces enormous lanes of dust, warmed by stars, sweeping along Andromeda's spiral arms. The dust, in conjunction with the galaxy's interstellar gas, comprises the raw material for future star formation. X-ray data from the XMM-Newton observatory in blue pinpoint Andromeda's X-ray binary star systems. These systems likely contain neutron stars or stellar mass black holes that represent final stages in stellar evolution. More than twice the size of our own Milky Way, the Andromeda Galaxy is over 200,000 light-years across.

The national flag of Nepal is the world's only non-quadrilateral national flag. The flag is a simplified combination of two single pennons, known as a double pennon. Its crimson red is the colour of the rhododendron, Nepal's national flower, while the blue border is the colour of peace. The inclusion of the celestial bodies indicates Nepal's permanence and the hope that Nepal will enjoy the same longevity as the Sun and the Moon. Additionally, the stylized moon represents the calm demeanour and purity of spirit of the Nepali people, while the stylised sun represents their fierce resolve. The current flag was adopted on 16 December 1962, along with the formation of a new constitutional government.

The Last Judgment is a fresco by the Italian Renaissance painter Michelangelo, covering the whole altar wall of the Sistine Chapel in Vatican City. It is a depiction of the Second Coming of Christ and the final and eternal judgment by God of all humanity. There are over 300 figures, with nearly all the males and angels originally shown as nudes; many were later partly covered up by painted draperies. The work took over four years, between 1536 and 1541. Michelangelo began working on it twenty-five years after he finished the Sistine Chapel ceiling, and was nearly 67 at its completion. It was commissioned by Pope Clement VII but was completed under Pope Paul III.

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