Xephyr

by Arya Akhavan (November 2012)
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Gemology Projectopen
L/W
111%
Design RI
1.61
H/W
67%
Gear
96
V/W³
0.232
Symmetry
3 (mirrored)
Facets
58
Tiers
8
Crown
28
Pavilion
30

Originally, this was going to be a simple hexagonal cushion, but I decided that I was going to use 3-fold symmetry instead of 6-fold. This stone may be simple, but it's got amazing performance. I prefer it in champagne topaz, but works in materials from feldspar to rutile (RI = 1.52 - 2.62) with no changes. Suggested size = 5-8 mm

Wireframe

Xephyr 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 11517313347496365798195
Set stone size.
P144.30°
 11517313347496365798195
Cut to centerpoint.
P241.30°
183050628294
Meet P1, G1

Crown

#AngleFacetsNotes
C143.68°
 11517313347496365798195
Set girdle width.
C227.53°
112143537585
Meet G1, C1
C321.39°
131945517783
Meet C1, C2
C49.56°
963264
Meet C1, C2, C3
T0.00°
24
Meet C3, C4