01.028 Portuguese

  • Barbour, Tom R;Lapidary Journal, Dec 1952, p364;
  • L/W=1.000
  • H/W=0.640
  • Vol/W^3=0.236
  • 161+16 Facets
  • Gear: 64
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 <64> W W U U L L T T C C P P PC 01.028 Portuguese Livingston, Bob; MDR Book of Gem Cuts, v1n16 Barbour, Tom R; Lapidary J, Dec 52, p364 Angles for R.I. = 1.540 161 facets + 16 girdles 16-fold, mirror-image symmetry; 64 index L/W = 1.000 T/W = 0.480 U/W = 0.480 P/W = 0.510 C/W = 0.112 Vol/W³ = 0.236 pc01028.asc