Stained Round: 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 "Stained Round".


Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)

Stained Round (TLINE2.JRG)
By Jeff R. Graham
Copyright 1993
82% Light Return
Angles for R.I. = 1.62
73 facets + 16 facets on girdle = 89
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.223 T/L = 0.223
P/W = 0.424 C/W = 0.208
H/W = (P+C)/W+0.02 = 0.653
P/H = 0.650 C/H = 0.319
Vol./W^3 = 0.208

Addition # 1 - This design is not hard to cut, but attention must be paid to the meet P2(G),C3 facets. It reminds me of stained glass because of the overall look of the stone. Cut in refractive indexes 1.62 to 1.93 with no changes. Cut in light to medium material, any size.

Random - Cosine - ISO

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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