30.022 Double Star

  • Hinton, Evelyn M;Lapidary Journal, Jun 1983, p523;
  • L/W=1.051
  • H/W=0.744
  • Vol/W^3=0.257
  • 51+5 Facets
  • Gear: 80
4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 <80> W W T T L L U U C C P P PC 30.022 Double Star Hinton, Evelyn M; Lapidary J, Jun 83, p523 Angles for R.I. = 80.000 51 facets + 5 girdles 5-fold, mirror-image symmetry; 80 index L/W = 1.051 T/W = 0.586 U/W = 0.557 P/W = 0.570 C/W = 0.153 Vol/W³ = 0.257 pc30022.asc