Boxed Glitter: Faceting Design Diagram
Detailed information and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Boxed Glitter"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite
Boxed Glitter (MC93.JRG)
By Jeff R. Graham
83.4% Light Return
Angles for R.I. = 1.62
153 facets + 20 facets on girdle = 173
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.527 T/L = 0.527 P/W = 0.544
C/W = 0.187 H/W = (P+C)/W+0.02 = 0.751 P/H = 0.724 C/H = 0.249
Vol./W^3 = 0.342
Addition # 12 - This is great for lightly saturated materials. Cut in refractive indexes 1.62 to 2.14 (87.9%) with no changes.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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