Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)

Samurai (MC55.JRG)
By Jeff R. Graham
Copyright 2001
87% Light Return
Angles for R.I. = 1.62
39 facets + 12 facets on girdle = 51
1-fold, mirror-image symmetry
96 index L/W = 1.126 T/W = 0.416
T/L = 0.369 P/W = 0.414 C/W = 0.190
H/W = (P+C)/W+0.02 = 0.624
P/H = 0.663 C/H = 0.305
Vol./W^3 = 0.226

Addition # 7 - This design is fun to cut and should be done in a fairly large sized stone so that the Samurai can be seen. This is a little tough... Here is an artical cutting Samurai on cutting this stone...

 

 

 

 

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