14 28 42 56 70 84 <98> W W T T L L U U C C P P Heptagonal Barion; William Hunt Angles for R.I. = 1.540 85 facets + 7 girdles 7-fold, mirror-image symmetry; 98 index L/W = 1.026 T/W = 0.617 U/W = 0.606 P/W = 0.496 C/W = 0.195 Vol/W³ = 0.281 pc37019.asc 37.019 Heptagonal Barion Hunt, William;Lapidary Journal, Feb 1997, p95;L/W=1.026H/W=0.730Vol/W^3=0.28185+7 Facets
