Kilter: 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 "Kilter"
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Kilter (MIR15.JRG)
By Jeff R. Graham
Copyright 2004
94.4% Light Return
Angles for R.I. = 1.54
28 facets + 12 facets on girdle = 40
4-fold symmetry
96 index
L/W = 1.000 P/W = 0.435 C/W = 0.203
H/W = (P+C)/W+0.02 = 0.657
P/H = 0.661 C/H = 0.309
Vol./W^3 = 0.267
Addition # 9 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is interesting and works well in about any material. It works well in Garnet and Sapphire. Note: The corners are just cut in and can vary, make them as close to the diagram as you can. A table can be cut to meet C5 on a large stone.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Jeff R. Graham
The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.
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