07.042 Step Brilliant Square

  • Duncan, R L;Lapidary Journal, Dec 1983. p1344;
  • L/W=1.000
  • H/W=0.814
  • Vol/W^3=0.382
  • 49+8 Facets
  • Gear: 64
8 16 24 32 40 48 56 <64> W W U U L L T T C C P P PC 07.042 Step Brilliant Square Duncan, R L; Lapidary J, Dec 83. p1344 Angles for R.I. = 1.760 49 facets + 8 girdles 4-fold, mirror-image symmetry; 64 index L/W = 1.000 T/W = 0.634 U/W = 0.634 P/W = 0.633 C/W = 0.170 Vol/W³ = 0.382 pc07042.asc