Pure: 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 "Pure".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
By Jeff R. Graham
79.6% Light Return
Angles for R.I. = 1.62
49 facets + 6 facets on girdle = 55
6-fold, mirror-image symmetry
L/W = 1.155 T/W = 0.409 T/L = 0.354 P/W = 0.435
C/W = 0.392 H/W = (P+C)/W+0.02 = 0.847 P/H = 0.513 C/H = 0.463 Vol./W^3 = 0.362
Addition # 13 - This is designed for light colored material, pale pink is nice. It is easy to cut and has a nice flash pattern. Cut in refractive indexes 1.62 to 2.14 with no changes. This is quick to cut and is ideal for Tourmaline nodules.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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