Hielo: 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 "Hielo".0
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
By Jeff R. Graham
86.9% Light Return
Angles for R.I. = 1.62
27 facets + 6 facets on girdle = 33
L/W = 1.048 P/W = 0.388 C/W = 0.193
H/W = (P+C)/W+0.02 = 0.601
P/H = 0.646 C/H = 0.321
Vol./W^3 = 0.178
Addition # 9 - This is interesting to cut and has a unique reflection. Cut in refractive indexes 1.62 to 2.14 with no changes. This is a neat earring design and works well in most material. Try it in Ametrine for an unusual stone.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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