Novice 9 by Fred Van Sant

GemCad Ray Traces for RI = 1.76
Random Model Cosine Model ISO Model

Novice 9
Designed by Fred Van Sant
Angles for R.I. = 1.76 49 facets + 8 facets on girdle = 57
4-fold, mirror-image symmetry 96 index
L/W = 1.000 T/W = 0.586 T/L = 0.586 P/W = 0.435 C/W = 0.145 H/W = (P+C)/W+0.02 = 0.600 P/H = 0.724 C/H = 0.242
Vol./W^3 = 0.191 Brightness at 0 degrees tilt for RI = 1.76
COS = 73.6 ISO = 83.5
Pavilion
1 41.00 96-06-12-18-24-30-36-42-48-54-60-66-72-78-84-90  
g2 90.00 06-18-30-42-54-66-78-90  
3 47.85 06-18-30-42-54-66-78-90  
Crown
a 48.71 06-18-30-42-54-66-78-90  
b 36.00 04-20-28-44-52-68-76-92  
c 20.61 08-16-32-40-56-64-80-88  
t 0.00 Table  

The Novice 9 Design File is available for GemCad users.


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Perfect Transfer Index

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Bob Keller