No: it's trigonal

Marco Voltolini
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Gemology Projectopen
L/W
115%
Design RI
1.54
H/W
70%
Gear
96
V/W³
0.304
Symmetry
3 (mirrored)
Facets
49
Tiers
9
Crown
19
Pavilion
30

Angles for quartz (sould work for higher RI's)

Wireframe

No: it's trigonal 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
190.00°
 82440567288
Set stone size
266.20°
 82440567288
Cut to equal depth
347.18°
122044527684
Cut the steps (meet girdle)
443.89°
131945517783
Cut the steps (no meets)
541.30°
141846507882
Cut the steps, no meets (final ctp)

Crown

#AngleFacetsNotes
A30.50°
 82440567288
Set girdle thickness
B26.30°
 82440567288
Cut the steps (no meets)
C22.41°
 82440567288
Cut the steps (no meets)
D0.00°
24
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