01.010 A 120 Facet Brilliant

  • Johns, Floyd L;Lapidary Journal, Aug 1957, p362;
  • L/W=1.000
  • H/W=0.642
  • Vol/W^3=0.224
  • 105+16 Facets
  • Gear: 64
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 <64> L L T T W W U U C C P P PC 01.010 A 120 Facet Brilliant Johns, Floyd L; Lapidary J, Aug 57, p362 Angles for R.I. = 1.540 105 facets + 16 girdles 8-fold, mirror-image symmetry; 64 index L/W = 1.000 T/W = 0.631 U/W = 0.631 P/W = 0.501 C/W = 0.123 Vol/W³ = 0.224 pc01010.asc