Blue Ribbon: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Blue Ribbon"0
Blue Ribbon (AQUA3.JRG)
By Jeff R. Graham
70% Light Return
Angles for R.I. = 1.56
81 facets + 16 facets on girdle = 97
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.635 T/L = 0.635
P/W = 0.449 C/W = 0.194
H/W = (P+C)/W+0.02 = 0.663
P/H = 0.678 C/H = 0.292
Vol./W^3 = 0.245
Gram Book 1 - Here is an unusual design that is a little different to cut. Cut P4 at exactly the right degree (42) and to center point, and you should get the right sizes. P6 is cut to center point, cut evenly, 1-8cts. Cut in refractive index 1.56 to 1.76 (75.6%) with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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