Barion Square Cushion 1

GemCad Ray Traces for RI = 1.63 | ||
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Random Model | Cosine Model | ISO Model |
Barion Square Cushion 1 GemCad Derived Rendering by Bob Keller bkeller@rockhounds.com July 2000 | |
Angles for R.I. = 1.63 | 81 facets + 16 facets on girdle = 97 |
4-fold, mirror-image symmetry | 96 index |
L/W = 1.000 T/W = 0.515 T/L = 0.515 P/W = 0.526 C/W = 0.171 | H/W = (P+C)/W+0.02 = 0.717 P/H = 0.734 C/H = 0.239 |
Vol./W^3 = 0.312 | Brightness at 0 degrees tilt for RI = 1.63 COS = 81.0 ISO = 89.6 |
Pavilion | |||
---|---|---|---|
1 | 41.50 | 03-09-15-21-27-33-39-45- 51-57-63-69-75-81-87-93 |
Cut to meet at temporary culet |
g2 | 90.00 | 03-21-27-45-51-69-75-93 | Meet 1 establish size, girdle outline |
g3 | 90.00 | 01-23-25-47-49-71-73-95 | Meet 1,g2 |
4 | 65.00 | 03-21-27-45-51-69-75-93 | Meet 1,g2 |
5 | 65.76 | 01-23-25-47-49-71-73-95 | Meet g2,g3,4 |
6 | 40.00 | 06-18-30-42-54-66-78-90 | Meet 1,4,5 – permanent culet |
Crown | |||
A | 50.00 | 03-21-27-45-51-69-75-93 | Meet g2 establish upper girdle line |
B | 46.00 | 01-23-25-47-49-71-73-95 | Meet A,g2,g3 |
C | 36.00 | 12-36-60-84 | Meet A,g2 |
D | 41.12 | 96-24-48-72 | Meet A,B,C – B,g3 |
E | 28.00 | 96-24-48-72 | Meet A,B,C,D |
F | 20.00 | 03-21-27-45-51-69-75-93 | Meet A,B,C,D,E |
G | 20.48 | 12-36-60-84 | Meet A,B,C,D,E,F |
T | 0.00 | Table | Meet E,F – G,F |