Faceting 101 - Lesson 7

Harmonious Hexagon
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Gemology Projectopen
L/W
115%
Design RI
1.58
H/W
67%
Gear
96
V/W³
0.259
Symmetry
6 (mirrored)
Facets
67
Tiers
8
Crown
31
Pavilion
36

by Arya Akhavan (October 2012)

Lesson 7 brings us to the hexagon, and a new concept, the barion. Barions cut a circular cone (P1), then squash it into a non-circular outline (G1) with "adapter faces" (P2). This lesson teaches how to cut a geometric barion, and the "Princess" style of cutting multiple facets into a corner (C1 - C3). Lesson rules: cut in morganite, with no size restriction

Wireframe

Faceting 101 - Lesson 7 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
961632486480
Set stone size.
P265.02°
961632486480
Meet P1, G1 (level girdle)
P143.03°
 41220283644526068768492
Cut to centerpoint.
P341.03°
 21418303446506266788294
Meet P1, P2

Crown

#AngleFacetsNotes
C138.47°
961632486480
Set girdle width.
C225.76°
 21418303446506266788294
Meet G1, C1
C321.90°
 61022263842545870748690
Meet G1, C1, C2
T0.00°
24
Meet C2, C3