09.040 Square Bow TieGray, James H;Gems & Minerals, Aug 1985, p43;L/W=1.000H/W=0.689Vol/W^3=0.29469+12 FacetsGear: 96 12 24 36 48 60 72 84 <96> W W U U L L T T C C P P PC 09.040 Square Bow Tie Gray, James H; Gems & Min, Aug 85, p43 Angles for R.I. = 1.540 69 facets + 12 girdles 4-fold, mirror-image symmetry; 96 index L/W = 1.000 T/W = 0.693 U/W = 0.693 P/W = 0.538 C/W = 0.131 Vol/W³ = 0.294 pc09040.asc 09.039 Cushion Square Brilliant II09.040A Gray’s Modified Square