Framed Star: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this design is called "Framed Star".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Framed Star (B5.JRG)
By Jeff R. Graham
Copyright 1999
85% Light Return
Angles for R.I. = 1.62
75 facets + 14 facets on girdle = 89
2-fold, mirror-image symmetry
96 index
L/W = 1.330 T/W = 0.839 T/L = 0.631
P/W = 0.621 C/W = 0.166
H/W = (P+C)/W+0.02 = 0.807
P/H = 0.770 C/H = 0.205
Vol./W^3 = 0.429
Addition # 5 - Cut to meet C5,C8. A preform is a good idea. Cut to center point then cut the girdle to meet P1, establishing shape, then breaks. Cut in R.I. 1.62 to 1.93 with no changes. On a smaller stone C11 can be left off…
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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