21.078 Skylab

  • Peters, E J;Gems & Minerals, Feb 1981, p38;
  • L/W=1.000
  • H/W=0.612
  • Vol/W^3=0.243
  • 73+8 Facets
  • Gear: 64
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 <64> L L U U W W T T C C P P PC 21.078 Skylab Peters, E. J; Gems & Min, Feb 81, p38 Angles for R.I. = 1.760 73 facets + 8 girdles 8-fold, mirror-image symmetry; 64 index L/W = 1.000 T/W = 0.518 U/W = 0.518 P/W = 0.405 C/W = 0.196 Vol/W³ = 0.243 pc21078.asc