19.008 Standard Keystone Barion

  • Watermeyer, Basil (diagram);Diamond Cutting, 4th Ed. (1991) p335;
  • L/W=1.08
  • H/W=0.782
  • Vol/W^3=0.347
  • 53+4 Facets
  • Gear: 96
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 <96> L L T T W W U U C C P P a b c d e f g h i j k l m n b d f g j k l m G1 G2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 3 6 9 10 11 12 c f g h a b c d e f g h i j k l m n b d f g j k l m G1 G2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 3 6 9 10 11 12 c f g h PC 19.008 Keystone Barion Watermeyer, Basil; Diamond Cutting 4th ed (1991), p235 Angles for R.I. = 1.540 53 facets + 4 girdles 1-fold, mirror-image symmetry; 96 index L/W = 1.080 T/W = 0.659 U/W = 0.441 P/W = 0.607 C/W = 0.157 Vol/W³ = 0.347 pc19008.asc
G190.00°96-48 
G290.00°26-70 
165.14°96-48 
265.14°26-70 
343.33°38-58 
440.05°14-82 
540.93°16-80 
643.94°36-60 
741.07°17-79 
841.62°18-78 
944.43°32-64 
1043.48°34-62 
1142.47°39-57 
1243.52°46-50 
1339.00°13-83 
1440.36°02-94 
a40.00°96-48 
b40.00°26-70 
c30.80°48 
d35.00°26-70 
e31.78°96 
f26.87°38-58 
g26.87°36-60 
h25.32°46-50 
i0.00°Table 
j25.24°28-68 
k23.32°15-81 
l23.32°11-85 
m22.53°24-72 
n23.68°02-94 

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