04.018 Modified Emerald

  • Vargas, Glenn & Martha;Diagrams for Faceting v1 (1975) p100;
  • L/W=1.500
  • H/W=0.826
  • Vol/W^3=0.579
  • 81+16 Facets
  • Gear: 64
8 16 24 32 40 48 56 <64> W W U U L L T T C C P P PC 04.018 Modified Emerald Vargas, Glenn & Martha: Diag for Faceting (1975) p100 Preform: PF04018.ASC Angles for R.I. = 1.540 81 facets + 16 girdles 2-fold, mirror-image symmetry; 64 index L/W = 1.500 T/W = 1.035 U/W = 0.535 P/W = 0.581 C/W = 0.210 Vol/W³ = 0.579 pc04018.asc