Near “P”: 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 "Near P"
Beryl (Aquamarine, Emerald, Helidore, Bixbite, Goshenite, Morganite, Golden Beryl)
Near "P" (B4.JRG)
By Jeff R. Graham
Copyright 2001
79.3% Light Return
Angles for R.I. = 1.56
81 facets + 16 facets on girdle = 97
2-fold, mirror-image symmetry
96 index
L/W = 1.345 T/W = 0.873 T/L = 0.649
P/W = 0.604 C/W = 0.192
H/W = (P+C)/W+0.02 = 0.816
P/H = 0.741 C/H = 0.235
Vol./W^3 = 0.438
Addition # 5 - 85.9% in R.I. 1.62 with no changes, 89.9% in 1.93… This design is L/W=1.33 for all practical purposes and works very well in lighter colored large material.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
