Almost: 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 "Almost".0
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
By Jeff R. Graham
89.4% Light Return
Angles for R.I. = 1.62
49 facets + 12 facets on girdle = 61
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.350 T/L = 0.350
P/W = 0.383 C/W = 0.205
H/W = (P+C)/W+0.02 = 0.608
P/H = 0.631 C/H = 0.337
Vol./W^3 = 0.186
Addition # 8 - Cut this in refractive indexes 1.62 to 2.14 with no changes. This design is not quite round but it will fit in a round setting. It looks interesting when cut. This works well in about any material.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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