Quartz Shield: Faceting Design Diagram

Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

Quartz Shield (MC38.JRG)
By Jeff R. Graham
Copyright 1999
82.8% Light Return
Angles for R.I. = 1.54
44 facets + 10 facets on girdle = 54
1-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.507 T/L = 0.507
P/W = 0.426 C/W = 0.191
H/W = (P+C)/W+0.02 = 0.637
P/H = 0.668 C/H = 0.300
Vol./W^3 = 0.232

Addition # 4 - This is fairly easy to cut and has a nice flash. It is designed to be used with other stones in a set, but still be easy to set in jewelry. Cut in about any color material, 1cts+. Works in Tourmaline, Topaz and Peridot.

Random - Cosine - ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler