Gnome's Geode

Suite: Elemental Spirits
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Gemology Projectopen
L/W
104%
Design RI
1.65
H/W
78%
Gear
96
V/W³
0.279
Symmetry
6 (mirrored)
Facets
61
Tiers
9
Crown
13
Pavilion
48

by Arya Akhavan (September 2012)

Honestly, I just wanted a crown that looked like a line-angle structure of hexanitrobenzene. I also like barion-ish pavilions on hexagons - this isn't quite a true barion pavilion, but it's close. Designed for peridot, but works in materials from feldspar to CZ (RI = 1.52 - 2.16) with no changes (also fluorite if you don't mind a window). Suggested size = 8-10 mm

Wireframe

Gnome's Geode 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 82440567288
Set stone size.
G290.00°
961632486480
Meet P1, P2, G1
P366.37°
 82440567288
Level girdle.
P143.82°
 61022263842545870748690
Cut to centrepoint.
P243.72°
961632486480
Meet at culet.
P442.81°
 31319293545516167778393
Meet P1, P2, G1, G2, P3

Crown

#AngleFacetsNotes
C152.20°
 82440567288
Set girdle width.
C236.66°
961632486480
Level girdle.
T0.00°
24
Float (cut even hexagons)