南非发现一颗29.6克拉蓝钻-凯发k8官网

南非发现一颗29.6克拉蓝钻

文章来源：未知文章作者：enread 发布时间：2014-01-22 07:39 字体： [ ]　

(单词翻译:双击或拖选)

a rare blue diamond has been discovered in a mine in south africa.

一颗罕见的蓝钻石在南非一处矿井中被发现。

the "exceptional" 29.6 carat blue diamond is the latest rare stone to be found in the cullinan mine

the 29.6-carat stone was recovered by petra diamonds at its cullinan mine, about 40km (25 miles) north-east of pretoria.

"this stone is one of the most exceptional stones recovered at cullinan during petra's operation of the mine," the company said.

petra ¹ a 25.5 carat blue diamond which sold for $16.9m in 2013.

'class of its own'

the latest discovery is also expected to sell for a high price.

"the stone is an outstanding vivid blue with extraordinary ², tone and clarity, and has the potential to yield a polished stone of great value and importance," petra said in a statement on tuesday.

cullinan mine has produced hundreds of large stones and is famed for its production of blue diamonds - among the rarest and most highly ³ of all diamonds.

the mine was acquired in 2008 by petra diamonds, which also operates in botswana and tanzania.

a similar 26.6-carat blue rough diamond discovered by the company in may 2009 was cut into a near perfect stone and fetched just under $10m at a sotheby's ⁴.

another deep-blue diamond from cullinan was ⁵ for $10.8m in 2012 and set a world record for the value per carat.

in 1905, the ⁶ star of africa blue diamond - the world's second largest cut diamond - was discovered at the cullinan mine.

the pear-shaped 530-carat stone was presented to king edward vii and became part of the british crown jewels.

点击

收听单词发音

1
出土的（考古）
参考例句：
many unearthed cultural relics are set forth in the exhibition hall. 展览馆里陈列着许多出土文物。 some utensils were in a state of decay when they were unearthed. 有些器皿在出土时已经残破。

2
n.饱和(状态)；浸透
参考例句：
the company's sales are now close to saturation in many western countries.这家公司的产品销售量在许多西方国家已接近饱和。 road traffic has reached saturation point.公路交通已达到饱和点。

3
adj.令人垂涎的；垂涎的，梦寐以求的v.贪求，觊觎(covet的过去分词)；垂涎；贪图
参考例句：
he had long coveted the chance to work with a famous musician. 他一直渴望有机会与著名音乐家一起工作。 ther other boys coveted his new bat. 其他的男孩都想得到他的新球棒。来自《简明英汉词典》

4
n.拍卖；拍卖会；vt.拍卖
参考例句：
they've put the contents of their house up for auction.他们把房子里的东西全都拿去拍卖了。 they bought a new minibus with the proceeds from the auction.他们用拍卖得来的钱买了一辆新面包车。

5
v.拍卖( auction的过去式和过去分词 )
参考例句：
it was sad to see all grandmother's lovely things being auctioned off. 眼看着祖母那些可爱的东西全都被拍卖掉，心里真不好受。来自《简明英汉词典》 tv franchises will be auctioned to the highest bidder. 电视特许经营权将拍卖给出价最高的投标人。来自《简明英汉词典》

6
adj.著名的，有名望的，声誉鹊起的
参考例句：
he is one of the world's renowned writers.他是世界上知名的作家之一。 she is renowned for her advocacy of human rights.她以提倡人权而闻名。