4.226 LONGER TOURMALINE

  • Long| Robert H.;Unpublished;
  • L/W=1.921
  • H/W=1.104
  • Vol/W^3=1.183
  • 37+8 Facets
  • Gear: 96
  • Remarks: Can always substitute a step cut crown if desired
12 24 36 48 60 72 84 <96> W W U U L L T T C C P P A B C D E F G T G1 A B E G 1 2 G1 G2 3 4 5 1 2 G1 G2 3 4 A C D F A B C D E F G T G1 A B E G 1 2 G1 G2 3 4 5 1 2 G1 G2 3 4 A C D F PC 04.226 LONGER TOURMALINE Robert H. Long, 10/30/15 Angles for R.I. = 1.620 37 facets + 8 girdles 2-fold, mirror-image symmetry; 96 index L/W = 1.921 T/W = 0.995 U/W = 0.560 P/W = 0.663 C/W = 0.310 Vol/W³ = 1.183 pc04226.asc
141.50°05-43-53-91Cut to PCP
245.22°03-45-51-93“
G190.00°12-24-36-60-72-84Set Size (ECED End)
G290.00°96-48Meet 1-2-G1
340.00°12-36-60-84Meet 1-2-Girdle
459.00°96-48Meet 1-2-Girdle
570.00°24-72Meet G1-3 *See footnote
A37.00°12-36-60-84Set Girdle Thickness
B44.87°24-72Level Girdle
C72.28°96-48“
D47.26°03-45-51-93Meet A-C-Girdle
E33.20°18-30-66-78Meet A-B-Girdle
F15.00°96-48Meet D-C-D
G15.00°24-72Meet E-B-E
T0.00°Table 

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