Gambler : 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 "Gambler"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Gambler (CHECK38.JRG)
By Jeff R. Graham
Copyright 2001
91.6% Light Return
Angles for R.I. = 1.62
65 facets + 16 facets on girdle = 81
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.298 T/L = 0.298
P/W = 0.405 C/W = 0.229
H/W = (P+C)/W+0.02 = 0.654
P/H = 0.619 C/H = 0.350
Vol./W^3 = 0.211
Addition # 6 - Cut this in any refractive index with no changes. This makes a nice round, especially in a large size so that the diamonds on the crown can be seen.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
