Spokes: 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 "Spokes".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Spokes (MC46.JRG)
By Jeff R. Graham
Copyright 2000
93.2% Light Return
Angles for R.I. = 1.62
49 facets + 12 facets on girdle = 61
6-fold, mirror-image symmetry
96 index
L/W = 1.059 T/W = 0.327 T/L = 0.308
P/W = 0.447 C/W = 0.179
H/W = (P+C)/W+0.02 = 0.646
P/H = 0.692 C/H = 0.277
Vol./W^3 = 0.220
Addition # 7 - I designed this for medium saturated material and use it for earrings. The spokes show up on the crown nicely. This works well in Garnet and Sapphire with no changes.
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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