Lion’s Eye: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Lion's Eye".
Lion's Eye (MC116.JRG)
By Jeff R. Graham
74.7% Light Return
Angles for R.I. = 1.67
181 facets + 16 facets on girdle = 197
2-fold, mirror-image symmetry
L/W = 1.268 T/W = 0.432 T/L = 0.341 P/W = 0.643
C/W = 0.315 H/W = (P+C)/W+0.02 = 0.978 P/H = 0.658 C/H = 0.322 Vol./W^3 = 0.504
Addition # 12 - Cut this in refractive indexes 1.67 to 2.14 with no changes. This is difficult to cut, I designed it for a large piece of Peridot. P11,C5, just cut to center point, make sure you have the rough because it makes life much easier.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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