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

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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