Zippidy Do: Faceting Design Diagram
Helpful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Zippidy Do"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Zippidy Do (MC104.JRG)
By Jeff R. Graham
86.7% Light Return
Angles for R.I. = 1.62
118 facets + 12 facets on girdle = 130
3-fold, mirror-image symmetry
L/W = 1.037 T/W = 0.596 T/L = 0.574 P/W = 0.457
C/W = 0.153 H/W = (P+C)/W+0.02 = 0.630 P/H = 0.725 C/H = 0.243 Vol./W^3 = 0.228
Addition # 12 - Cut in refractive indexes 1.62 to 2.14 (91.2%) with no changes. This is not all that hard to cut and works best in light to medium saturated materials. I designed it for a large light pink Tourmaline.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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