Square Emerald 2

GemCad Ray Traces for RI = 1.54
Random Model Cosine Model 75.9 ISO Model 80.6
Square Emerald 2
A Simple Square Emerald / Step Cutting Tainer
Designed by Bob Keller 06-10-02
Angles for R.I. = 1.54 41 facets + 8 facets on girdle = 49
4-fold 96 index
L/W = 1.000 T/W = 0.522 T/L = 0.522 P/W = 0.540 C/W = 0.153 H/W = (P+C)/W+0.02 = 0.714 P/H = 0.757 C/H = 0.215
Vol./W^3 = 0.308 Brightness at 0 degrees tilt for
RI = 1.54 COS = 75.9 ISO = 80.6
Pavilion
a 42.50 96-06-12-18-24-30-36-42-48-54-60-66-72-78-84-90 Cut to culet point
g1 90.00 12-36-60-84 Match a, set size
g2 90.00 96-24-48-72 Meet a.a.g1
Crown
1 37.36 12-36-60-84 Match g1
2 42.00 96-24-48-72 Meet g1.g2.1
3 27.91 12-36-60-84 Match 1
4 32.00 96-24-48-72 Meet 1.2.3
5 18.91 12-36-60-84 Match 3
6 22.00 96-24-48-72 Meet 3.4.5
t 0.00 Table Level table
Cut as given in medium saturated amethyst, citrine, smoky or medium saturated colors of synthetic quartz.

The Square Emerald 2 design file is available for GemCad/GemPrint users.


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© Bob's Rock Shop Bob Keller