Temerity

by Arya Akhavan (December 2013)
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Gemology Projectopen
L/W
100%
Design RI
1.54
H/W
66%
Gear
96
V/W³
0.258
Symmetry
4 (mirrored)
Facets
92
Tiers
18
Crown
44
Pavilion
36

This design is a modification of my "Insolence" design, adapting a triangle checkerboard into a square outline. It performs really well, thankfully. (I still haven't been able to adopt a squre checkerboard into a triangular outline...) Works in materials from quartz to rutile (RI = 1.54 - 2.62) with no changes, but I prefer lemon quartz. Suggested size = 8-15 mm

Wireframe

Temerity 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 420284452687692
Set stone size.
G290.00°
96244872
Meet P1, P2, G1
P464.26°
96244872
Level girdle.
P363.82°
 420284452687692
Level girdle.
P140.64°
 618304254667890
Cut to centerpoint.
P240.14°
 321274551697593
Meet at culet.
P539.65°
 717314155657989
Meet P1, G1, P3

Crown

#AngleFacetsNotes
C363.10°
20286876
Level girdle.
C451.68°
2472
Level girdle.
C151.38°
9648
Set girdle width.
C549.48°
23257173
Meet G1, G2, C3, C4
C244.45°
 4445292
Level girdle.
C631.55°
10385886
Meet G1, C2, C3
C717.20°
1220283660687684
Meet C4, C5; C3, C5, C6
C816.26°
 5435391
Meet C1, C2; C2, C6, C7
C1014.20°
 8405688
Meet C2, C6, C7, C8; C7, C9
C914.19°
2472
Meet C4, C5, C7
C115.34°
 82440567288
Meet C7, C9, C10; C8, C10