Baron’s Choice: Faceting Design Diagram
Detailed information and guide on Faceting Designs.Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Baron's Choice"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Baron's Choice (CHECK25.JRG)
By Jeff R. Graham
Copyright 2001
90.4% Light Return
Angles for R.I. = 1.62
65 facets + 8 facets on girdle = 73
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.211 T/L = 0.211
P/W = 0.534 C/W = 0.238
H/W = (P+C)/W+0.02 = 0.793
P/H = 0.674 C/H = 0.301
Vol./W^3 = 0.390
Addition # 6 - The corners of this design are made to be adjustable, but ideally they should be large enough to take a setting prong. This stone is designed for a large 10mm and up stone. P5 may need to be floated in as the corners vary.
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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