Orchid

by Arya Akhavan (April 2013)
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Gemology Projectopen
L/W
104%
Design RI
1.76
H/W
59%
Gear
96
V/W³
0.163
Symmetry
3 (mirrored)
Facets
40
Tiers
8
Crown
16
Pavilion
18

I guess I was really in the mood for a simple trillion, because I seem to have produced a lot of these. Here's one of the simpler trillions I came up with - it performs surprisingly well, and isn't so sharp in the corners that it can't be used. Works in materials from beryl to rutile (RI = 1.58 - 2.62) with no changes, but I prefer corundum. Suggested size = 6-10 mm

Wireframe

Orchid 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
112143537585
Set stone size.
P244.00°
112143537585
Level girdle.
P142.00°
122044527684
Cut to centerpoint.
P342.00°
102242547486
Meet G1, P2

Crown

#AngleFacetsNotes
C131.24°
112143537585
Set girdle width.
C227.00°
102242547486
Meet G1, C1
C319.71°
164880
Meet C1, C2
T0.00°
24
Meet C2, C3