PC 42.021

Pen-Dec Dahlia

Weaver, David S; Gems & Min, Mar 86, p37-8
Save to collection
No ratings yet
DataVue
L/W
105%
Design RI
39.90
H/W
79%
Gear
120
V/W³
0.297
Symmetry
1
Facets
86
Tiers
10
Crown
10
Pavilion
76

Weaver, David S; Gems & Minerals, Mar 1986, p37;

Wireframe

Pen-Dec Dahlia 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
  6 18 30 42 54 66 78 90102114
Cut EDEC (forms regular decagon)
P154.60°
  6 18 30 42 54 66 78 90102114
Cut to TCP
P250.10°
120 12 24 36 48 60 72 84 96108
Meet P1-P1-G1-G1
P341.00°
  6 18 30 42 54 66 78 90102114
Meet P1-P2-P1

Crown

#AngleFacetsNotes
C144.20°
  6 18 30 42 54 66 78 90102114
Fix girdle thickness
C239.90°
  9 15 33 39 57 63 81 87105111
Meet A-A-G1-G1
C339.00°
  3 21 27 45 51 69 75 93 99117
Meet A-A-G1-G1
C435.00°
  5 19 29 43 53 67 77 91101115
Meet A-B-C
C510.00°
 12 36 60 84108
Meet D-B-B-D
T0.00°
120