08.073 Cushion

  • Kerr, Bill;GIA handout faceting instruction quide;
  • L/W=1.383
  • H/W=0.837
  • Vol/W^3=0.521
  • 73+16 Facets
  • Gear: 64
  • Remarks: Personal communication via Laurence E Meyer
8 16 24 32 40 48 56 <64> W W U U L L T T C C P P PC 08.073 Cushion Kerr, Bill; GIA handout faceting instruction quide Transmitted thru Laurence E Meyer Angles for R.I. = 1.540 73 facets + 16 girdles 2-fold, mirror-image symmetry; 64 index L/W = 1.383 T/W = 0.911 U/W = 0.494 P/W = 0.577 C/W = 0.227 Vol/W³ = 0.521 pc08073.asc