Glitter: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Glitter".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Glitter (MC85.JRG)
By Jeff R. Graham
Copyright 2003
80.7% Light Return
Angles for R.I. = 1.62
145 facets + 16 facets on girdle = 161
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.443 T/L = 0.443 P/W = 0.462
C/W = 0.230 H/W = (P+C)/W+0.02 = 0.712 P/H = 0.648 C/H = 0.324 Vol./W^3 = 0.264
PAVILION
CROWN
Addition # 12 - It helps to cut the table in before cutting C7. This is not hard to cut, just a lot of work. Cut this in refractive indexes 1.62 to 2.14 (89.2%) with no changes.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Jeff R. Graham
The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.
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