Spiral Sun: Faceting Design Diagram
Details, Helpful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Spiral Sun"
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Spiral Sun (MIR66.JRG)
By Jeff R. Graham
Copyright 2005
91.9% Light Return
Angles for R.I. = 1.54
33 facets + 8 facets on girdle = 41
8-fold symmetry
96 index
L/W = 1.000 T/W = 0.367 T/L = 0.367 P/W = 0.435 C/W = 0.240 H/W = (P+C)/W+0.02 = 0.695 P/H = 0.625 C/H = 0.346 Vol./W^3 = 0.241
PAVILION
CROWN
Addition # 10 - This is another good earring design for lightly saturated materials. This is easy and fast to cut. I like it in Rose de France. Cut in refractive indexes 1.54 to 2.14 with not changes.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
