Diamonds
Diamond Engagement Rings
Home
Diamonds
Precious Stones
Precious Stones
Uses
Sitemap

Tuesday, March 30, 2010


Not all diamonds that are found on Earth originated here. A type of diamond called carbonado that is found in South America and Africa may have been deposited there via an asteroid impact (not formed from the impact) over 3 billion years ago. These diamonds may have formed in the intrastellar environment, but as of 2008, there was no scientific consensus on how carbonado diamonds formed.

Presolar grains in many meteorites found on Earth contain nanodiamonds of extraterrestrial origination, probably formed in supernovas. Scientific evidence shows that white dwarf stars have a core of crystallized carbon and oxygen nuclei. The largest of these found in the whole universe so far, BPM 37093, is located 50 light-years (4.7×1014 km) away in the constellation Centaurus. A news release from the Harvard-Smithsonian Center for Astrophysics described that the 2,500-mile (4,000 km)-wide stellar core as a diamond.

Labels:

posted by Tamil Nadu ,Tamilnadu Government,Places,Wild Life,Hill Stations,Temples,Sports,Accomodation,Cusine,Fine Art @ 12:11 AM permanent link | Post a Comment |

0 Comments:

Post a Comment

<< Home


Previous Posts
  • Thermal stability of Diamonds
  • Synthetic and Artificial Gemstones
  • Heat treatment to Gemstones
  • Industrial uses of Diamond
  • Diamond Clarity
  • Diamond formation
  • Color Factors
  • Diamond enhancements
  • Diamond Identification
  • Exploration Diamond drilling


  • Archives
  • May 2008
  • June 2008
  • July 2008
  • August 2008
  • September 2008
  • October 2008
  • November 2008
  • December 2008
  • January 2009
  • February 2009
  • March 2009
  • April 2009
  • May 2009
  • June 2009
  • July 2009
  • August 2009
  • September 2009
  • October 2009
  • November 2009
  • December 2009
  • January 2010
  • February 2010
  • March 2010
  •  

    blog counter