Barion Square Cushion 1

GemCad Ray Traces for RI = 1.63
Random Model Cosine Model ISO Model

Barion Square Cushion 1
GemCad Derived Rendering by Bob Keller 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


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Perfect Transfer Index

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