PC 09.008

Modified Triad (Tetrad)

Giacomini, Afton; Gems & Min, Nov 71, p36
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DataVue
L/W
100%
Design RI
1.54
H/W
92%
Gear
96
V/W³
0.401
Symmetry
4 (mirrored)
Facets
137
Tiers
19
Crown
16
Pavilion
121

Giacomini, Mervin; Gems & Minerals, Nov 1971, p36;

Wireframe

Modified Triad (Tetrad) 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 618304254667890
G290.00°
 222264650707494
P174.59°
 222264650707494
P274.02°
 618304254667890
P347.00°
 222264650707494
P445.90°
 618304254667890
P545.50°
96244872
P644.94°
 420284452687692
P743.37°
 816324056648088
P843.00°
 222264650707494
P941.96°
 618304254667890

Crown

#AngleFacetsNotes
C144.00°
 222264650707494
C244.00°
 618304254667890
C342.00°
96244872
C442.00°
 420284452687692
C540.98°
 816324056648088
C640.07°
 618304254667890
C738.38°
 222264650707494
T0.00°
48