07.025 Barb Modified

  • Pocklington, R L;Lapidary Journal, Jan 1981, p2193;
  • L/W=1.000
  • H/W=0.608
  • Vol/W^3=0.271
  • 29+8 Facets
  • Gear: 80
10 20 30 40 50 60 70 <80> L L U U W W T T C C P P PC 07.025 Barb Modified Pocklington, R.L; Lapidary J, Jan 81, p2193 S/W=0.738 CC/W=0.185 Angles for R.I. = 1.540 29 facets + 8 girdles 4-fold symmetry; 80 index L/W = 1.000 T/W = 0.830 U/W = 0.737 P/W = 0.480 C/W = 0.101 Vol/W³ = 0.271 pc07025.asc