Cherenkov's Pool

by Arya Akhavan (March 2013)

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L/W: 100%
Design RI: 1.72
H/W: 71%
Gear: 96
V/W³: 0.253
Symmetry: 2 (mirrored)
Facets: 69
Tiers: 12
Crown: 29
Pavilion: 28

There's no more beautiful blue glow than swimming in the cooling pool of a nuclear reactor. I, unfortunately, have not had this experience, but I hear it's breathtaking. For some reason, this design reminded me of that same effect. Works in materials from beryl to rutile (RI = 1.58 - 2.62) with no changes, but I prefer blue spinel. Suggested width = 8-12 mm

Wireframe

Pavilion

#	Angle	Facets	Notes
G1	90.00°	222264650707494	Set stone size.
G2	90.00°	12366084	Level girdle.
P3	62.41°	222264650707494	Level girdle.
P2	43.98°	420284452687692	Meet at culet.
P1	43.00°	12366084	Cut to centerpoint.
P4	42.00°	816324056648088	Meet P1, P2, G1, G2, P3

Crown

#	Angle	Facets	Notes
C1	52.63°	222264650707494	Set girdle width.
C3	33.69°	420284452687692	Meet G1, G2, C1, C2
C2	30.00°	12366084	Level girdle.
C4	25.24°	96244872	Meet C, C3
C5	18.43°	12366084	Meet C2, C3, C4
T	0.00°	24	Meet C4, C5