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      中国文化产业网>珠宝>新闻动态>

      新闻动态

      科学家发现南非钻石内含从未见过物质

      2019-09-24    来源:有趣搜索    编辑:赵辉

        在地球上,钻石是自然界中最硬的一种物质,在光线的照射下闪闪发光,比任何一种物质看起来更闪光,这就是很多人为此着迷和疯狂原因,再加上钻石非常稀有,因此它成为了世界上最贵重宝石。南非是世界上出口钻石最多的国家,最近科学家发现南非钻石原矿内包含一种从未见过物质。

      1_宝格丽华美蓝钻戒指.jpg


        根据《生命科学》网站报道显示,最近,科学家在南非一个称为“科菲方丹管道”的火山地点发掘到一种独特的闪亮钻石矿,因为钻石含有一种从未见过的微小物质。根据科学家的说法,这种物质颜色显示为暗绿色,不透明。科学家初步估计,这种物质或许来自地面之下170公里深处。

        关于物质的研究已于9月1日发表在《美国矿物学家》杂志上,该矿物被命名为“ goldschmidtite”中文翻译为戈德施密特,这个名字是为了纪念挪威矿物学家及地球化学家Victor Moritz Goldschmidt,它被科学界认为是现代地球化学和晶体化学的创始人。

        goldschmidtite含有高浓度的铌、钾、铈、镁、铁和稀土类元素镧。来自加拿大阿尔伯塔大学科学家科尔迈耶说,钾和铌成为其中大部分矿物成分,这意味着goldschmidtite由一些稀有元素组成,尽管附近的其他元素更为普遍,但稀有元素还是被聚集在钻石里面,并浓缩成不寻常物质,具有独特化学成分,这显得有些奇怪。

        在最近的一份声明中,地幔地球化学家格雷厄姆·皮尔森说道,钻石矿中有夹杂物质是非常不寻常的,这种独特物质的形成过程为我们提供了一个了解大陆深部流体流动过程的机会。该物质现在位于多伦多的皇家安大略博物馆。有人甚至认为,这些物质或比钻石本身更值钱。

        在地球上,地幔层厚度约为2900公里,而世界上最深人工洞只有12公里多,这使得我们无法进入地幔层内部对其构成进行研究。不过上地幔强烈压力和热量将低碳沉积物转化为闪闪发光钻石,然后通过上升下降及火山运动推到地球表面,这不得不说地球再次创造了一个奇迹。


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