French Button: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this design is called "French Button"
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
French Button (CHECK23.JRG)
By Jeff R. Graham
Copyright 2001
86.6% Light Return
Angles for R.I. = 1.54
53 facets + 16 facets on girdle = 69
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.199 T/L = 0.199
P/W = 0.470 C/W = 0.187
H/W = (P+C)/W+0.02 = 0.677
P/H = 0.695 C/H = 0.276
Vol./W^3 = 0.265
Addition # 6 - This is pretty fast and easy to cut… This design works well in refractive indexes 1.54 to 1.93 (91.2%) with no changes. I really like the shape of this stone and it makes great earrings in the 8mm to 10mm size range…
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
