Buff: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Buff".
Beryl (Aquamarine, Emerald, Helidore, Bixbite, Goshenite, Morganite, Golden Beryl)
Buff (B35.JRG)
By Jeff R. Graham
Copyright 2001
84.9% Light Return
Angles for R.I. = 1.56
73 facets + 12 facets on girdle = 85
2-fold, mirror-image symmetry
96 index
L/W = 1.330 T/W = 0.766 T/L = 0.576
P/W = 0.665 C/W = 0.189
H/W = (P+C)/W+0.02 = 0.874
P/H = 0.761 C/H = 0.216
Vol./W^3 = 0.524
Addition # 5 - This is pretty nice design, a preform is a good idea. This works in R.I. 1.54 to 1.93 (86.6%). It is deep and will help deepen light colors.
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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