Glitter Squared: 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 Squared".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Glitter Squared (MC87.JRG)
By Jeff R. Graham
Copyright 2003
88.9% Light Return
Angles for R.I. = 1.62
129 facets + 8 facets on girdle = 137
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.492 T/L = 0.492 P/W = 0.521
C/W = 0.193 H/W = (P+C)/W+0.02 = 0.734 P/H = 0.710 C/H = 0.263 Vol./W^3 = 0.332
PAVILION
CROWN
Addition # 12 - The corners of this design float. Cut the P3(G) facet to divide the P1 (81,87 at P5) in equal parts. Cut in refractive indexes 1.62 to 2.14 (89.9%) with no changes.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
