Petra Diamonds has set a new record by selling a 507-carat diamond for $35.3 million today, the highest price ever paid for a rough diamond and $10 million over its estimated value.
Petra Diamonds has set a new record by selling a 507-carat diamond for $35.3 million today, the highest price ever paid for a rough diamond and $10 million over its estimated value. "’It is fitting that the Cullinan Heritage should achieve a sale price of $35.3 million, the highest sale price on record ever achieved for a rough diamond, as it has the potential to produce one of the world's most important polished gems,’ Chief Executive Johan Dippenaar said. London-listed Petra said in a statement the gem was purchased in a tender by Chow Tai Fook Jewelry Co Ltd in Hong Kong. Proceeds will help boost Petra's profit for its fiscal year to end-June after the firm swung to a first-half profit on higher production and sales. AIM-listed Petra found the gem last September at its 74 percent owned Cullinan mine in South Africa, which it bought from sector giant De Beers in 2007. The Cullinan mine has been the source of many large diamonds, including the world's largest rough diamond -- the Cullinan -- at 3,106 carats. That gem was cut into the Star of Africa stones that are now set in Britain's Crown Jewels. Petra was a member of a consortium that paid $148 million when buying the Cullinan mine from De Beers, which is 45 percent owned by mining group Anglo American."
Both schizophrenics and people with a common personality type share similar brain patterns.
- A new study shows that people with a common personality type share brain activity with patients diagnosed with schizophrenia.
- The study gives insight into how the brain activity associated with mental illnesses relates to brain activity in healthy individuals.
- This finding not only improves our understanding of how the brain works but may one day be applied to treatments.
It's a development that could one day lead to much better treatments for osteoporosis, joint damage, and bone fractures.
- Scientists have isolated skeletal stem cells in adult and fetal bones for the first time.
- These cells could one day help treat damaged bone and cartilage.
- The team was able to grow skeletal stem cells from cells found within liposuctioned fat.
Gut bacteria play an important role in how you feel and think and how well your body fights off disease. New research shows that exercise can give your gut bacteria a boost.
- Two studies from the University of Illinois show that gut bacteria can be changed by exercise alone.
- Our understanding of how gut bacteria impacts our overall health is an emerging field, and this research sheds light on the many different ways exercise affects your body.
- Exercising to improve your gut bacteria will prevent diseases and encourage brain health.
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