Faceting Design Diagram: Crazy Triangle – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Crazy Triangle (QTZ36.JRG) 2.37 carat Tourmaline
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