Step Flower: Faceting Design Diagram
Helpful tips, details and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Step Flower".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Step Flower (TLINE17.JRG)
By Jeff R. Graham
81.7% Light Return
Angles for R.I. = 1.62
85 facets + 6 facets on girdle = 91
6-fold, mirror-image symmetry
L/W = 1.155 T/W = 0.526 T/L = 0.456
P/W = 0.452 C/W = 0.243
H/W = (P+C)/W+0.02 = 0.715
P/H = 0.633 C/H = 0.339
Vol./W^3 = 0.290
Addition # 1 - This design cuts fairly normal except for the step on the crown, which needs to be watched for size. It makes a nice stone in any material, I like it in light colors, 1-8cts. Cut in refractive indexes 1.62 to 1.93 (83.6%) with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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