04.114 Barion ButterflyRackets, Hubert M;American Gemcutter, Jul 1989, p12;L/W=1.400H/W=0.824Vol/W^3=0.62251+8 FacetsGear: 64 8 16 24 32 40 48 56 <64> W W U U L L T T C C P P PC 04.114 Barion Butterfly Rackets, Hubert M; Amer Gemcutter,Jul 89, p12 Angles for R.I. = 1.540 51 facets + 8 girdles 2-fold, mirror-image symmetry; 64 index L/W = 1.400 T/W = 0.907 U/W = 0.507 P/W = 0.583 C/W = 0.216 Vol/W³ = 0.622 pc04114.asc 04.113 Madras04.115 Quadrillion Rectangle