Sylphid's Storm

Suite: Elemental Spirits
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Gemology Projectopen
L/W
131%
Design RI
1.54
H/W
67%
Gear
96
V/W³
0.310
Symmetry
2
Facets
59
Tiers
30
Crown
29
Pavilion
18

by Arya Akhavan (September 2012)

The crown layout was inspired by the weather symbol for hurricanes, since a sylphid is a wind spirit. The girdle outline was entirely trial-and-error, with lots of reflections and random scaling. Written for tan scapolite, but works in any material from feldspar to CZ (RI = 1.52 - 2.16) with no changes. Also works in fluorite! Suggested oblique length = 12-18 mm

Wireframe

Sylphid's Storm 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
3886
Set stone size.
G290.00°
4492
Meet P1, P2, G1, P3
G390.00°
9648
Meet G2, P3, P6
G490.00°
3482
Meet P2, G1, P4 (level girdle)
G590.00°
2977
Meet P4, P5, G3, G4
G690.00°
2371
Meet G5, P7, P8
P946.85°
9648
Meet P3, G2, P6, G4; P5, P6, P7, P8 (level girdle)
P844.11°
2371
Meet P5, P6, P7
P744.07°
2977
Meet P4, G3, P5, G5 (level girdle)
P343.10°
4492
Meet P1, P2, G1 (level girdle)
P642.97°
4694
Meet P1, P2, P3, P4, P5
P442.33°
3482
Meet P1, P2, P3
P242.08°
3886
Create culet with P1.
P141.39°
4189
Set keel depth.
P541.06°
3280
Meet P1, P2, P3, P4

Crown

#AngleFacetsNotes
C437.82°
3886
Level girdle.
C537.41°
4492
Level girdle.
C637.41°
9648
Level girdle.
C334.80°
3482
Level girdle.
C232.77°
2977
Level girdle.
C130.75°
2371
Set girdle width.
C1030.75°
3785
Meet C3, C4, C9
C1130.22°
4492
Meet C4, C5, C10
C928.88°
3482
Meet C2, C3, C8
C1227.74°
4694
Meet C5, C6, C11; C9, C10, C11
C822.96°
2775
Meet C1, C2, C7
C721.61°
2169
Meet G4, G6, C1, C7
C1315.43°
 553
Meet C6, C7, C12
C1414.56°
1563
Meet C6, C7, C12, C13
T0.00°
24
Meet C9, C10, C11, C12