Jaws of Darkness

by Arya Akhavan (January 2015)
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Gemology Projectopen
L/W
100%
Design RI
1.58
H/W
70%
Gear
96
V/W³
0.225
Symmetry
6 (mirrored)
Facets
103
Tiers
9
Crown
37
Pavilion
66

Hey look, yet another design in the "Temple Ruin" series! This one is a bit more complicated, though - I wanted a more domed crown instead of something that rises up and suddenly gets flat, so I added the current C4 facets. It's really designed for less saturated beryls, but as you increase the RI you get really cool effects under the table. Works in materials from beryl to CZ (RI = 1.58 - 2.16) with no changes.

Wireframe

Jaws of Darkness 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 2 610141822263034384246505458626670747882869094
Set stone size.
P144.27°
 2 610141822263034384246505458626670747882869094
Cut to centerpoint.
P243.00°
 41220283644526068768492
Meet P1, G1
P341.00°
961632486480
Meet P1, P2

Crown

#AngleFacetsNotes
C137.43°
 21418303446506266788294
Set girdle width.
C235.00°
 61022263842545870748690
Level girdle.
C332.68°
 82440567288
Meet G1, C2
C420.32°
961632486480
Meet C1, C2, C3
T0.00°
24
Meet C3, C4