Parity: Faceting Design Diagram
Successful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Parity".
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Parity (MIR67.JRG)
By Jeff R. Graham
Copyright 2005
92.3% Light Return
Angles for R.I. = 1.54
49 facets + 8 facets on girdle = 57
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.276 T/L = 0.276 P/W = 0.420
C/W = 0.208 H/W = (P+C)/W+0.02 = 0.648 P/H = 0.648 C/H = 0.322 Vol./W^3 = 0.210
PAVILION
CROWN
Addition # 10 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is not hard to cut and makes a very nice stone. I like it in medium saturated materials. It makes a nice stone in Tourmaline and is good for thin nodules.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
