Restitution

by Arya Akhavan (May 2013)
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Gemology Projectopen
L/W
101%
Design RI
2.16
H/W
64%
Gear
96
V/W³
0.216
Symmetry
6 (mirrored)
Facets
109
Tiers
10
Crown
61
Pavilion
48

When I was writing my "FutureTech" design, I got stuck, and decided to make a round version first. This one has a really cool reflection pattern that gets better with higher RIs, and should be good for a wide range of color saturations. Works in materials from quartz to rutile (RI = 1.54 - 2.62) with no changes, but I prefer CZ. Suggested size = 8-15 mm

Wireframe

Restitution 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
96 816242432404856648088
Set stone size.
P145.00°
96 816243240485664728088
Cut to centerpoint.
P243.65°
 7 923253941555771738789
Meet P1, G1
P342.82°
 11517313347496365798195
Meet P1, G1, P2

Crown

#AngleFacetsNotes
C140.00°
96 816243240485664728088
Set girdle width.
C232.49°
 51121273743535969758591
Meet G1, C1
C331.22°
 21418303446506266788294
Meet G1, C1, C2
C424.71°
 61022263842545870748690
Meet C1, C2
C516.60°
 31319293545516167778393
Meet C3, C4
T0.00°
24
Meet C4, C5