28.223 Hextraordinary BCA

  • Hamer, John;Personal communication 2017;
  • L/W=1.155
  • H/W=0.671
  • Vol/W^3=0.256
  • 22+6 Facets
  • Gear: 96
  • Remarks: BCA=Below the Critical Angle
8 16 24 32 40 48 56 64 72 80 88 <96> W W T T L L U U C C P P a b c T b c 1 g 2 3 1 2 3 a c a b c T b c 1 g 2 3 1 2 3 a c PC 28.223 Hextraordinary. BCA. Designed by J Hamer. March 2013. Copyright assigned to the public domain. Angles for R.I. = 1.540 22 facets + 6 girdles 3-fold symmetry; 96 index L/W = 1.155 T/W = 0.222 U/W = 0.222 P/W = 0.435 C/W = 0.209 Vol/W³ = 0.256 pc28223.asc
149.89°96-16-32-48-64-80Cut to centrepoint
g90.00°96-16-32-48-64-80Size stone
237.54°05-37-69Meet 1, g
337.00°08-40-72Meet 1, 2, g
a38.47°96-32-64Level girdle
b28.88°16-48-80Meet a, g, Level girdle
c23.00°12-44-76Meet a, b, g
T0.00°TableCut by eye

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