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Volume 12 Issue 2
Jun.  2010
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SHI Bin, YUAN Xin-qiang. Technical Parameter Calculation on Painting and Digging Out[J]. Journal of Gems & Gemmology, 2010, 12(2): 32-34.
Citation: SHI Bin, YUAN Xin-qiang. Technical Parameter Calculation on Painting and Digging Out[J]. Journal of Gems & Gemmology, 2010, 12(2): 32-34.
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Technical Parameter Calculation on Painting and Digging Out

  • Gemmological Institute, China University of Geosciences, Wuhan 430074, China

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  • Received Date: May 06, 2010
  • Revised Date: May 10, 2010
    Graphical Abstract
    • Abstract
  • Painting or digging out is produced by increasing or reducing obliquity of half facet according to cutter’s experience,for purpose of maximizing weight or removing flaws around the girdle.The precision technical parameters of the different cut parameters and the different painting or digging out can be calculated with the program designed by the writers.
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    • References (2)
  • [1]
    Troy Blodgett,Al Gilbertson,Ron Geurts,et al.Painting and digging out:Variations on standard brillianteering of round brilliant diamonds[J].Rapaport Diamond Report,2005,(3):239—245.
    [2]
    Visually Esti mating Painting and Digging Out in Standard Round Brilliant Diamonds[EB/OL].http://www.lgdl.gia.edu/pdfs/estimating-painitng.pdf,2006-04-27.
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