Kalli: 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 "Kalli".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Kalli (DOME2.JRG)
By Jeff R. Graham
Copyright 2007
80.6% Light Return
Angles for R.I. = 1.62
169 facets + 16 facets on girdle = 185
8-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.263 T/L = 0.263 P/W = 0.397
C/W = 0.466 H/W = (P+C)/W+0.02 = 0.883 P/H = 0.450 C/H = 0.528 Vol./W^3 = 0.342
PAVILION
CROWN
Addition # 13 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is not hard to cut, but it is time consuming and needs to be cut in a large stone. Light color and saturation is best. This is made to be bezel set which is why the C1 is a large as it is.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
