Scanner: 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 "Scanner"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
By Jeff R. Graham
87.8% Light Return
Angles for R.I. = 1.62
49 facets + 8 facets on girdle = 57
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.363 T/L = 0.363 P/W = 0.421
C/W = 0.221 H/W = (P+C)/W+0.02 = 0.662 P/H = 0.636 C/H = 0.334 Vol./W^3 = 0.246
Addition # 10 - This cuts a little harder than it may look, especially if the stone is small. The C3,C4 tiers are delicate. This works well in light to medium saturated materials. Cut in refractive indexes 1.62 to 2.14 with no changes.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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