This version of diamond meets basically in deposits Brazil and is very rare in radical a tube of Premieres learn more on engagement rings http://www.offshelf.com/ . The main feature is the radially radiant structure of individuals. It is established that represent polycrystalline units in which separate, the having sizes from 10 microns to 0,2 mm, grow from the uniform center. Borders between them have the sawtooth form providing between them strong communication. As a whole stones of this version have the spherical form. The last find out all transitions from translucent to black individuals. In spectra strips 1, And and 2 are noted. The isotope structure of carbon is studied insufficiently in details, and the size 13 is estimated in the range from 0,6 to 1,42


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Mody87
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