Glitter Pear: 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 "Glitter Pear".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Glitter Pear (MC98.JRG)
By Jeff R. Graham
Copyright 2006
80.4% Light Return
Angles for R.I. = 1.62
116 facets + 15 facets on girdle = 131
1-fold, mirror-image symmetry
96 index
L/W = 1.154 T/W = 0.488 T/L = 0.423 P/W = 0.447
C/W = 0.207 H/W = (P+C)/W+0.02 = 0.674 P/H = 0.663 C/H = 0.307 Vol./W^3 = 0.248
PAVILION
CROWN
Addition # 12 - Cut this in refractive indexes 1.62 to 2.14 with no changes. This cuts like my "Brilliant Pear" designs only, of course, with more facets. This is designed for a large stone, at least 12mm. Use lightly saturated materials.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
