Thank you Bernd

Marco Voltolini
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Gemology Projectopen
L/W
137%
Design RI
1.54
H/W
31%
Gear
96
V/W³
0.285
Symmetry
1
Facets
12
Tiers
9
Crown
3
Pavilion
9

For quartz. Requires some carving, e.g. a "bubble" on 6

Wireframe

Thank you Bernd 3D view
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Pavilion

#AngleFacetsNotes
190.00°
2472
cut stone outline
290.00°
9648
390.00°
1260
This facet sets the stone thickness!
550.00°
48
meet 3
450.00°
24
set girdle position
60.00°
24

Crown

#AngleFacetsNotes
A50.00°
72
set girdle thickness
B50.00°
96
level girdle
C0.00°
24
meet 3