How big is the white diamond recently discovered in South Africas Cullinan mine?”
507 carat white diamond discovered in SA’s Cullinan mine Johannesburg Mining group Petra Diamonds has discovered a 507.55 carat white diamond at South Africa’s Cullinan mine, one of the largest high-quality rough diamonds ever found, the firm said on Tuesday. “This spectacular gemstone was recovered on Thursday and is currently with experts for analysis,” said a statement released by the London-listed company which operates mainly in Africa. Initial examinations of the diamond which weighs just over 100 grams (3.5 ounces), have shown it to be of exceptional colour and clarity. The diamond is undergoing colour grading, but is believed to be a rare Type II diamond, with very low traces of nitrogen — considered an impurity – making them among the most transparent and colourless of the gems. “The Cullinan mine has again given the world a spectacularly beautiful and important diamond… we now eagerly await the findings of the expert analysis,” said Johan Dippenaar, Petra’s chief executive
The rough 507 carat white stone was unearthed at the historic Cullinan mine – where the famous Cullinan diamond was discovered in 1905.A spokesman for the mining firm Petra Diamond said the gemstone found last week was among the world’s 20 largest diamonds ever discovered. “Initial examinations indicate that it is of exceptional colour and clarity, and most likely to be a Type I diamond. “At 507 carats (just over 100 grams) the diamond, which has yet to be named, is considered to be among the top 20 largest high quality rough diamonds ever found worldwide and ranks alongside other illustrious diamonds recovered at the celebrated Cullinan mine.”Further details, including colour grading and clarity, will be released once the diamond has undergone appropriate analysis.” The stone was found alongside three other valuable diamonds, with miners also unearthing a gemstone of 168.00 carats and two other stones of 58.50 and 53.30 carats.Petra confirmed the rocks were discovered during digging a
Mining group Petra Diamonds has discovered a 507.55 carat white diamond at South Africa’s Cullinan mine one of the largest high-quality rough diamonds ever found, the firm said on Tuesday. “This spectacular gemstone was recovered on Thursday, September 24, 2009 and is currently with experts for analysis,” said a statement released by the London-listed company which operates mainly in Africa. Initial examinations of the diamond which weighs just over 100 grams (3.5 ounces), have shown it to be of exceptional colour and clarity. The diamond is undergoing colour grading, but is believed to be a rare Type II diamond, with very low traces of nitrogen — considered an impurity — making them among the most transparent and colourless of the gems.
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