Gentleman’s Choice: Faceting Design Diagram
Helpful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Gentleman's Choice".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Gentleman's Choice (CHECK66.JRG)
By Jeff R. Graham
89.6% Light Return
Angles for R.I. = 1.62
33 facets + 8 facets on girdle = 41
2-fold, mirror-image symmetry
L/W = 1.128 T/W = 0.456 T/L = 0.404
P/W = 0.495 C/W = 0.157
| H/W = (P+C)/W+0.02 = 0.671
P/H = 0.737 C/H = 0.233
Vol./W^3 = 0.327
Addition # 8 - Cut this in refractive indexes 1.62 to 2.14 with no changes. I designed this for a man's ring, the shape is like the old style Masonic rings. I like this in about any material. It cuts easily and quickly.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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