Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

Circus Swirl (DOME13.JRG)
By Jeff R. Graham
Copyright 2007
80.7% Light Return
Angles for R.I. = 1.54
57 facets + 8 facets on girdle = 65
8-fold symmetry
96 index
L/W = 1.000 T/W = 0.211 T/L = 0.211 P/W = 0.435
C/W = 0.369 H/W = (P+C)/W+0.02 = 0.824 P/H = 0.528 C/H = 0.448 Vol./W^3 = 0.313

Addition # 13 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for Amethyst and Citrine and works well in light to medium saturated material. This is not hard to cut.

 

 

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