Rhomboid Split: 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 "Rhomboid Split".0
Rhomboid Split (SUN28.JRG)
By Jeff R. Graham
90.6% Light Return
Angles for R.I. = 1.54
13 facets + 4 facets on girdle = 17
L/W = 3.000 T/W = 0.917 T/L = 0.306 P/W = 0.450
C/W = 0.175 H/W = (P+C)/W+0.02 = 0.645 P/H = 0.698 C/H = 0.271 Vol./W^3 = 1.046
Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for long skinny-colored material and will work in gold as well. This is basically a reflector and easy to cut. The L/W is not critical.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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