Spike: Faceting Design Diagram
Successful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Spike".0
By Jeff R. Graham
93.1% Light Return
Angles for R.I. = 1.54
19 facets + 4 facets on girdle = 23
2-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.305 T/L = 0.305
P/W = 0.307 C/W = 0.106
H/W = (P+C)/W+0.02 = 0.434
P/H = 0.709 C/H = 0.245
Vol./W^3 = 0.092
Addition # 7 - This is very nice, simple, and fast. I use it for about any type of rough, although I prefer medium saturation. This is great for earrings and is similar to my "Light House" cut.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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