Crazy Triangle gem design
Crazy Triangle gem design

Crazy Triangle: Faceting Design Diagram


Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Crazy Triangle".

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

Crazy Triangle gem design

Crazy Triangle (QTZ36.JRG)
By Jeff R. Graham
C opyright 1994
76.1% Light Return
Angles for R.I. = 1.54
18 facets + 3 facets on girdle = 21
3-fold symmetry
96 index
L/W = 1.155 P/W = 0.426 C/W = 0.123
H/W = (P+C)/W+0.02 = 0.569
P/H = 0.749 C/H = 0.216
Vol./W^3 = 0.145

Addition # 2 - Another design for earrings that cuts fast, is easy to cut and has a small amount of facets. I like it in Amethyst, but any Quartz material makes a nice stone. Works well in Tourmaline and Topaz.For earrings 4- 8mm works best for me.


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.

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