Night Flight

by Arya Akhavan (August 2013)
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Gemology Projectopen
L/W
136%
Design RI
1.54
H/W
67%
Gear
96
V/W³
0.269
Symmetry
1 (mirrored)
Facets
64
Tiers
27
Crown
28
Pavilion
36

I recently got an amazing, high-yield piece of iolite from Lisa Elser, and for some reason it reminds me exactly of looking out the window while flying at dusk. I wrote this design specifically for that piece of iolite, and I love it. Works in materials from quartz to GGG (RI = 1.54 - 2.03) with no changes, but it's designed for dark iolite. Suggested length = 8-15 mm

Wireframe

Night Flight 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 8168088
Set stone size.
G290.00°
10148286
Level girdle.
G390.00°
2076
Level girdle.
G490.00°
4452
Level girdle.
G590.00°
4650
Level girdle.
G690.00°
48
Meet P6, P7, G5
P246.87°
10148286
Meet at culet.
P146.13°
 8168088
Cut to centerpoint.
P446.04°
 9158187
Meet P1, P2, G1, G2
P844.19°
48
Meet P4, P7 (level girdle)
P643.95°
4650
Meet P1, P3, P4, P5
P743.62°
4749
Meet P1, P3, P4, P5, P6
P343.00°
2076
Meet at culet.
P543.00°
4452
Meet P1, P3, P4

Crown

#AngleFacetsNotes
C137.00°
48
Set girdle width.
C237.00°
4650
Level girdle.
C337.00°
4452
Level girdle.
C637.00°
10148286
Level girdle.
C437.00°
2076
Level girdle.
C537.00°
 8168088
Level girdle.
C933.91°
4551
Meet G4, G5, C2, C3; C3, C4, C8
C732.76°
1284
Meet G2, C6
C832.16°
1878
Meet G1, G3, C4, C5; C5, C6, C7
C1030.32°
1185
Meet C5, C6, C7
C1226.87°
4452
Meet C3, C4, C8, C9
C1126.69°
1581
Meet C5, C6, C7, C8
T0.00°
24
Meet C1, C12; C7, C10, C11; C8, C11, C12