Cullinan

Japanese: Cullinan
Cullinan

According to legend, this was a curse caused by a French diamond merchant, J.B. Tavernier (1605-89), who stole diamonds from the eyes of a statue of Ramasita in an Indian temple around 1668. The world's largest diamond, the Cullinan from South Africa, is said to have had a rough stone weighing 3,106 carats, and is now divided into several pieces that are used to decorate the crowns and sceptres of the British royal family. [Aramata Hiroshi]
[Mineralogical properties]
Its chemical composition is carbon, the same as that of graphite, but it is a polymorph with a completely different crystal structure.

*Some of the terminology that mentions "Cullinan" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…伝説によれば,フランスのダイヤ商人タベルニエJ.B.Tavernier(1605‐89)が1668年ころインドの寺院でラーマーシーターの神像の目からそれを盗み取ったためのたたりだという。なお世界最大のダイヤモンドといわれる南ア産の〈カリナンCullinan〉は原石が3106カラットあったといわれ,現在は数個に分割されてイギリス王室の王冠や笏に飾られている。【荒俣 宏】
【鉱物学的性質】
 化学組成は炭素で,石墨(黒鉛)と同じであるが,結晶構造がまったく異なる多形の関係にある。…

※「Cullinan」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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