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

Double Dutch Rose (DOME15.JRG)
By Jeff R. Graham
Copyright 2007
90.8% Light Return
Angles for R.I. = 1.54
85 facets + 12 facets on girdle = 97
12-fold symmetry
96 index
L/W = 1.000 T/W = 0.397 T/L = 0.397 P/W = 0.435
C/W = 0.195 H/W = (P+C)/W+0.02 = 0.650 P/H = 0.669 C/H = 0.300 Vol./W^3 = 0.235

Addition # 13 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for mediumly saturated materials and works well in about any color. This is not difficult to cut and is quite unique. Note this is a variation of my online design called Button.

 

 

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