Old Style 2: Faceting Design Diagram

Tips, details, and a guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Old Style 2".


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

Old Style 2 (TLINE63.JRG)
By Jeff R. Graham
Copyright 1998
86% Light Return
Angles for R.I. = 1.62
73 facets + 8 facets on girdle = 81
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.458 T/L = 0.458
P/W = 0.417 C/W = 0.166
H/W = (P+C)/W+0.02 = 0.603
P/H = 0.692 C/H = 0.275
Vol./W^3 = 0.202

Addition # 2 - The crown on this design can be hard to cut. The C5,C6 tiers are close and can be tough to get right. The P5 tier is not center point, cut it until the P4 are just tapered, any material, 1-18cts. Cut in refractive indexes 1.62 to 1.76 with no changes.



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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