Tri-Angled Triangle: Faceting Design Diagram
Details, tips, and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Tri-Angled Triangle"
Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)
Tri-Angled Triangle (GNETP18.JRG)
By Jeff R. Graham
78.1% Light Return
Angles for R.I. = 1.73
61 facets + 9 facets on girdle = 70
3-fold, mirror-image symmetry
L/W = 1.071 T/W = 0.517 T/L = 0.483
P/W = 0.429 C/W = 0.193
H/W = (P+C)/W+0.02 = 0.642
P/H = 0.668 C/H = 0.301
Vol./W^3 = 0.217
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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