Ice: Faceting Design Diagram
Successful tips, details, and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Ice".
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Ice (CHECK49.JRG)
By Jeff R. Graham
Copyright 2002
80.7% Light Return
Angles for R.I. = 1.54
58 facets + 12 facets on girdle = 70
3-fold, mirror-image symmetry
96 index
L/W = 1.077 T/W = 0.157 T/L = 0.146
P/W = 0.434 C/W = 0.223
H/W = (P+C)/W+0.02 = 0.677
P/H = 0.641 C/H = 0.330
Vol./W^3 = 0.238
Addition # 8 - This cuts pretty fast and is not hard. It works best in a large stone and I actually designed it for Rose de France. Cut in refractive indexes 1.54 to 2.14 (87.9%)with no changes. P5 & P6 cut fast and can be omitted on a small stone (the table too).
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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