Sun Boon: Faceting Design Diagram
Successful tips, details and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Sun Boon".
Sunstone (Feldspar, Bytonite, Labradorite, Spectrolite, Orthoclase)
Sun Boon (SUN40.JRG)
By Jeff R. Graham
Copyright 2006
83.5% Light Return
Angles for R.I. = 1.54
21 facets + 8 facets on girdle = 29
2-fold, mirror-image symmetry
96 index
L/W = 1.500 T/W = 1.282 T/L = 0.855 P/W = 0.450
C/W = 0.129 H/W = (P+C)/W+0.02 = 0.599 P/H = 0.752 C/H = 0.215 Vol./W^3 = 0.380
PAVILION
CROWN
Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for thin multi-colored rough and works best in medium to darker saturation. Note: The corners float in and are just cut to look like the diagram, they can vary a little.
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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