Geometric Etude #2

Suite: Geometric Etudes
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Gemology Projectopen
L/W
100%
Design RI
1.63
H/W
68%
Gear
96
V/W³
0.235
Symmetry
8 (mirrored)
Facets
137
Tiers
13
Crown
89
Pavilion
48

by Arya Akhavan (December 2012)

I decided to take my idea from the first etude, and extend it to a hexagon. Unfortunately, I couldn't come up with a way to include all the nodal lines without having some random lines in there. The design darkens colors! I like this in danburite or rutile, but it works in materials from quartz to rutile (RI = 1.54 - 2.62) with no changes. Suggested size = 8-12 mm

Wireframe

Geometric Etude #2 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
9612243648607284
Set stone size.
P144.50°
9612243648607284
Cut to centerpoint.
P242.50°
 2101422263438465058627074828694
Meet P1, G1
P341.50°
 1111323253537474959617173838595
Meet P1, P2

Crown

#AngleFacetsNotes
C145.00°
9612243648607284
Set girdle width.
C237.43°
 2101422263438465058627074828694
Meet G1, C1
C335.04°
 4 81620283240445256646876808892
Meet G1, C1, C2
C427.37°
9612243648607284
Meet C1, C2
C521.64°
9612243648607284
Meet C2, C3, C4
C619.47°
 2101422263438465058627074828694
Meet C2,C3, C4, C5
C716.93°
9612243648607284
Meet C5, C6
C815.00°
9612243648607284
Meet C6, C7
T0.00°
24
Cut to 50% of C8 width.