04.151 Saint Valier

  • De Neal, Norman;Lapidary Journal, Aug 1994, p107;
  • L/W=2.000
  • H/W=1.306
  • Vol/W^3=1.041
  • 48+8 Facets
  • Gear: 120
12 24 36 48 60 72 84 <96> W W L L C C P P PC 04.151 Saint Valier De Neal, Norman; Lapidary J, Jul 94, p107 Preform to give exactly L/W=2.000. Indexing and angle adjustments needed to match the diagram. Angles for R.I. = 1.540 48 facets + 8 girdles 2-fold, mirror-image symmetry; 96 index L/W = 2.000 P/W = 0.893 C/W = 0.390 Vol/W³ = 1.041 pc04151.asc