Afghan Ice: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Afghan Ice"0
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Afghan Ice (DOME23.JRG)
By Jeff R. Graham
75.4% Light Return
Angles for R.I. = 1.62
73 facets + 8 facets on girdle = 81
8-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.329 T/L = 0.329 P/W = 0.438 C/W = 0.326
H/W = (P+C)/W+0.02 = 0.785 P/H = 0.559 C/H = 0.416
Vol./W^3 = 0.290
Addition # 13 - Cut this in refractive indexes 1.62 to 2.14 with no changes. This is designed for light to medium saturated materials. It is specifically designed for bubble gum pink rough and to help intensify the color.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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