Point Of Cross: Faceting Design Diagram
Successful tips and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Point of Cross".
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Point Of Cross (B11.JRG)
By Jeff R. Graham
Copyright 1999
85.8% Light Return
Angles for R.I. = 1.54
81 facets + 8 facets on girdle = 89
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.505 T/L = 0.505
P/W = 0.503 C/W = 0.166
H/W = (P+C)/W+0.02 = 0.689
P/H = 0.730 C/H = 0.241
Vol./W^3 = 0.275
Addition # 5 - This is pretty easy to cut and works well in most medium to light materials. The table can be roughed in before cutting C5 to help with C5 placement. I especially like this in orange citrine. This can be cut in R.I. 1.54 to 1.76 (90.3%) with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Jeff R. Graham
The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.
Related Articles
Ametrine Value, Price, and Jewelry Information
Amethyst Value, Price, and Jewelry Information
Rose Quartz Value, Price, and Jewelry Information
Citrine Value, Price, and Jewelry Information
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!