PC 09.003

Tetrad

Whipple, M.S.; Lapidary J, Dec 56, p426
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DataVue
L/W
100%
Design RI
1.54
H/W
70%
Gear
96
V/W³
0.263
Symmetry
4 (mirrored)
Facets
121
Tiers
17
Crown
16
Pavilion
105

Whipple, M.S.; Diag for Faceting, p39

Wireframe

Tetrad 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 222264650707494
G290.00°
 618304254667890
P149.38°
 222264650707494
P248.28°
 618304254667890
P346.14°
96244872
P445.63°
 420284452687692
P544.21°
 816324056648088
P644.10°
 222264650707494
P743.00°
 618304254667890

Crown

#AngleFacetsNotes
C146.00°
 222264650707494
C246.00°
 618304254667890
C342.00°
96244872
C442.00°
 420284452687692
C540.98°
 816324056648088
C639.73°
 618304254667890
C739.12°
 222264650707494
T0.00°
96