Procrastination

by Arya Akhavan (August 2012)
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Gemology Projectopen
L/W
150%
Design RI
1.62
H/W
102%
Gear
96
V/W³
0.725
Symmetry
2 (mirrored)
Facets
49
Tiers
12
Crown
17
Pavilion
32

I should be studying for histology right now. Instead, I'm writing a design for seafoam tourmaline. Appropriate use of time for a medical student? Yup. The crown is nice and simple, and there's amazing tilt performance in there. The dark areas on the 24/72 won't show up in real life, as far as I can tell from raytracing. Suggested size = 6-10 mm.

Wireframe

Procrastination 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
9648
Set stone width.
G290.00°
2472
Meet P1, G1
P271.40°
9648
Level girdle.
P355.06°
2472
Level girdle.
P140.00°
96 610141620242832343842485458626468727680828690
Cut to centrepoint.

Crown

#AngleFacetsNotes
C150.48°
9648
Meet G1, G2
C241.85°
2472
Meet G1, G2, C1
C336.89°
 1474995
Meet G1, G2, C1, C2 ("corner")
C633.31°
9648
Meet C1, C3; C3, C4, C5
C430.43°
21276975
Meet at corner.
C523.60°
2472
Meet C2, C4
T0.00°
24
Meet C3, C4, C5, C6