Evince: Faceting Design Diagram

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

Evince (MIR60.JRG)
By Jeff R. Graham
Copyright 2005
93.5% Light Return
Angles for R.I. = 1.54
25 facets + 6 facets on girdle = 31
6-fold symmetry
96 index
L/W = 1.155 T/W = 0.266 T/L = 0.231 P/W = 0.435 C/W = 0.181 H/W = (P+C)/W+0.02 = 0.636 P/H = 0.684 C/H = 0.285 Vol./W^3 = 0.214

PAVILION

CROWN

Addition # 10 - Cut this in refractive indexes 1.54 to 1.93 with no changes. This is outstanding in light to medium saturated materials. It makes great earrings and is a lot of fun to cut.

Detailed faceting instructions by Jeff Graham available at The Rock Peddler