Faceting Design Diagram: Easy Tri – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Easy Tri (MC7.JRG) 4.06 carat Rhodolite
By Jeff R. Graham
Copyright 1999
83.7% Light Return
Angles for R.I. = 1.54
31 facets + 12 facets on girdle = 43
3-fold, mirror-image symmetry
96 index
L/W = 1.001 T/W = 0.536 T/L = 0.535
P/W = 0.399 C/W = 0.175
H/W = (P+C)/W+0.02 = 0.593
P/H = 0.672 C/H = 0.295
Vol./W^3 = 0.187

Addition # 4 – This is quick and easy to cut, I designed it for small stones 4-8mm is best. I use it a lot for earrings, it works well in Garnet, Tourmaline, Quartz… Cut this in R.I. 1.54 to 2.14 without changes.


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.