Drifting Snowflake

by Arya Akhavan (August 2013)
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Gemology Projectopen
L/W
110%
Design RI
1.58
H/W
66%
Gear
96
V/W³
0.245
Symmetry
6 (mirrored)
Facets
91
Tiers
12
Crown
43
Pavilion
48

As you may have noticed, I really like designs with bars across the tops. For this particular crown, full bars just wouldn't work, so I went with this design instead. It produces a surprisingly snowflake-like reflection pattern. Works in materials from beryl to rutile (RI = 1.58 - 2.62) with no changes, but I prefer aquamarine. Suggested size = 7-15 mm

Wireframe

Drifting Snowflake 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
961632486480
Set stone size.
G290.00°
 82440567288
Level girdle.
P363.54°
961632486480
Level girdle.
P242.90°
 21418303446506266788294
Meet at culet.
P141.64°
 82440567288
Cut to centerpoint.
P441.14°
 11517313347496365798195
Meet P2, P3

Crown

#AngleFacetsNotes
C139.92°
961632486480
Set girdle width.
C330.61°
 41220283644526068768492
Meet G1, G2, C1, C2
C229.75°
 82440567288
Level girdle.
C419.10°
 11517313347496365798195
Meet C1, C3
C514.72°
 82440567288
Meet C2, C3, C4
T0.00°
24
Meet C4, C5