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Karowe AK6
Karowe AK6 is the second-largest gem-quality diamond ever found, after the Cullinan. It is the third-largest diamond ever found after the Cullinan and the larger, non-gem black Sergio. It was found in the Karowe mine in Botswana on 16November 2015. It weighs and is "nearly the size of a tennis ball".〔
== Description ==
The Karowe AK6 is a colourless/white,〔 type IIa diamond. It weighs and measures . In size, it is second only to the Cullinan, discovered in 1905 in South Africa, which weighed . The Karowe AK6 was mined using Large Diamond Recovery ("LDR") XRT machines,〔 and is the largest diamond recovered using machines.〔
It was found on 16November 2015, and the find was announced on 18November.〔 A day later, two more diamonds weighing were also found in the mine.〔(【引用サイトリンク】url=http://lucaradiamond.mwnewsroom.com/press-releases/lucara-recovers-two-more-large-diamonds-including-an-813-carat-stone-from-the-ka-tsx-luc-201511191033633001 )〕〔 Since the AK6 pipe was opened 18 months earlier, it has yielded over of diamonds.〔
The stone proved too big for the company's own scanners, so it will probably be sent to Antwerp, Belgium, for assessment.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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