Faceting Design Diagram: Simply X’ed – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Simply X’ed (QTZ30.JRG)
By Jeff R. Graham
Copyright 1994
70% Light Return
Angles for R.I. = 1.54
25 facets + 4 facets on girdle = 29
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.541 T/L = 0.541
P/W = 0.488 C/W = 0.207
H/W = (P+C)/W+0.02 = 0.714
P/H = 0.683 C/H = 0.289
Vol./W^3 = 0.324

Gram Book 1 – Guess what? Another design for earrings? Does it cut fast? Yes, it is simple and easy for anyone to cut. Any Quartz material makes a nice stone and I usually cut it in, right you guessed it, 4-8mm Amethyst. Purple just seems to be a lot better seller.

 


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Gram Faceting Archive of Information
This edited version of an article by the late Jeff Graham is part of a special archived informational series from Gram Faceting. Used with permission.