21.149 Radial Step Octagon

  • Bieler, Barrie H;Lapidary Journal, Jun 1989, p59;
  • L/W=1.000
  • H/W=0.724
  • Vol/W^3=0.294
  • 57+8 Facets
  • Gear: 96
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 <96> W W U U L L T T C C P P PC 21.149 Radial Step Octagon Bieler, Barrie H; Lapidary J, Jun 89, p59 Angles for R.I. = 2.150 57 facets + 8 girdles 8-fold, mirror-image symmetry; 96 index L/W = 1.000 T/W = 0.562 U/W = 0.562 P/W = 0.450 C/W = 0.245 Vol/W³ = 0.294 pc21149.asc